v8.0 module release (#22975)

https://mattermost.atlassian.net/browse/MM-52079

```release-note
We upgrade the module version to 8.0. The new module path is github.com/mattermost-server/server/v8.
```


Co-authored-by: Doug Lauder <wiggin77@warpmail.net>

server/boards/ws/adapter.go

@@ -5,7 +5,7 @@
 package ws
 
 import (
-	"github.com/mattermost/mattermost-server/v6/server/boards/model"
+	"github.com/mattermost/mattermost-server/server/v8/boards/model"
 )
 
 const (

server/boards/ws/common.go

@@ -4,7 +4,7 @@
 package ws
 
 import (
-	"github.com/mattermost/mattermost-server/v6/server/boards/model"
+	"github.com/mattermost/mattermost-server/server/v8/boards/model"
 )
 
 // UpdateCategoryMessage is sent on block updates.

server/boards/ws/helpers_test.go

@@ -6,11 +6,11 @@ package ws
 import (
 	"testing"
 
-	authMocks "github.com/mattermost/mattermost-server/v6/server/boards/auth/mocks"
-	wsMocks "github.com/mattermost/mattermost-server/v6/server/boards/ws/mocks"
+	authMocks "github.com/mattermost/mattermost-server/server/v8/boards/auth/mocks"
+	wsMocks "github.com/mattermost/mattermost-server/server/v8/boards/ws/mocks"
 
-	mm_model "github.com/mattermost/mattermost-server/v6/model"
-	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+	mm_model "github.com/mattermost/mattermost-server/server/v8/model"
+	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 
 	"github.com/golang/mock/gomock"
 )

server/boards/ws/mocks/mockpluginapi.go

@@ -2,7 +2,7 @@
 // See LICENSE.txt for license information.
 
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/mattermost/mattermost-server/v6/plugin (interfaces: API)
+// Source: github.com/mattermost/mattermost-server/server/v8/plugin (interfaces: API)
 
 // Package mocks is a generated GoMock package.
 package mocks
@@ -13,7 +13,7 @@ import (
 	reflect "reflect"
 
 	gomock "github.com/golang/mock/gomock"
-	model "github.com/mattermost/mattermost-server/v6/model"
+	model "github.com/mattermost/mattermost-server/server/v8/model"
 )
 
 // MockAPI is a mock of API interface.

server/boards/ws/mocks/mockstore.go

@@ -2,7 +2,7 @@
 // See LICENSE.txt for license information.
 
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/mattermost/mattermost-server/v6/server/boards/ws (interfaces: Store)
+// Source: github.com/mattermost/mattermost-server/server/v8/boards/ws (interfaces: Store)
 
 // Package mocks is a generated GoMock package.
 package mocks
@@ -11,7 +11,7 @@ import (
 	reflect "reflect"
 
 	gomock "github.com/golang/mock/gomock"
-	model "github.com/mattermost/mattermost-server/v6/server/boards/model"
+	model "github.com/mattermost/mattermost-server/server/v8/boards/model"
 )
 
 // MockStore is a mock of Store interface.

server/boards/ws/plugin_adapter.go

@@ -1,7 +1,7 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
-//go:generate mockgen -copyright_file=../../copyright.txt -destination=mocks/mockpluginapi.go -package mocks github.com/mattermost/mattermost-server/v6/plugin API
+//go:generate mockgen -copyright_file=../../copyright.txt -destination=mocks/mockpluginapi.go -package mocks github.com/mattermost/mattermost-server/server/v8/plugin API
 package ws
 
 import (
@@ -11,12 +11,12 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/mattermost/mattermost-server/v6/server/boards/auth"
-	"github.com/mattermost/mattermost-server/v6/server/boards/model"
-	"github.com/mattermost/mattermost-server/v6/server/boards/utils"
+	"github.com/mattermost/mattermost-server/server/v8/boards/auth"
+	"github.com/mattermost/mattermost-server/server/v8/boards/model"
+	"github.com/mattermost/mattermost-server/server/v8/boards/utils"
 
-	mm_model "github.com/mattermost/mattermost-server/v6/model"
-	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+	mm_model "github.com/mattermost/mattermost-server/server/v8/model"
+	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 const websocketMessagePrefix = "custom_boards_"

server/boards/ws/plugin_adapter_client.go

@@ -8,7 +8,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	mm_model "github.com/mattermost/mattermost-server/v6/model"
+	mm_model "github.com/mattermost/mattermost-server/server/v8/model"
 )
 
 type PluginAdapterClient struct {

server/boards/ws/plugin_adapter_cluster.go

@@ -6,8 +6,8 @@ package ws
 import (
 	"encoding/json"
 
-	mm_model "github.com/mattermost/mattermost-server/v6/model"
-	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+	mm_model "github.com/mattermost/mattermost-server/server/v8/model"
+	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 type ClusterMessage struct {

server/boards/ws/plugin_adapter_test.go

@@ -7,9 +7,9 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/mattermost/mattermost-server/v6/server/boards/model"
+	"github.com/mattermost/mattermost-server/server/v8/boards/model"
 
-	mm_model "github.com/mattermost/mattermost-server/v6/model"
+	mm_model "github.com/mattermost/mattermost-server/server/v8/model"
 
 	"github.com/stretchr/testify/require"
 )

server/boards/ws/server.go

@@ -11,11 +11,11 @@ import (
 	"github.com/gorilla/mux"
 	"github.com/gorilla/websocket"
 
-	"github.com/mattermost/mattermost-server/v6/server/boards/auth"
-	"github.com/mattermost/mattermost-server/v6/server/boards/model"
-	"github.com/mattermost/mattermost-server/v6/server/boards/utils"
+	"github.com/mattermost/mattermost-server/server/v8/boards/auth"
+	"github.com/mattermost/mattermost-server/server/v8/boards/model"
+	"github.com/mattermost/mattermost-server/server/v8/boards/utils"
 
-	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 )
 
 func (wss *websocketSession) WriteJSON(v interface{}) error {

server/boards/ws/server_test.go

@@ -7,10 +7,10 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/mattermost/mattermost-server/v6/server/boards/auth"
-	"github.com/mattermost/mattermost-server/v6/server/boards/model"
+	"github.com/mattermost/mattermost-server/server/v8/boards/auth"
+	"github.com/mattermost/mattermost-server/server/v8/boards/model"
 
-	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+	"github.com/mattermost/mattermost-server/server/v8/platform/shared/mlog"
 
 	"github.com/gorilla/websocket"
 	"github.com/stretchr/testify/require"