Boards data retention (#19262)

* add Boards to DataRetention, add hook for data retention

* remove replaces

* update hook to remove parameter

* add boards data retention to telemetry

* fix unit test

* update test, update hooks

* update RunDataRetention server version

* put behind a feature flag

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

config/client.go

@@ -126,6 +126,8 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 	props["DataRetentionMessageRetentionDays"] = "0"
 	props["DataRetentionEnableFileDeletion"] = "false"
 	props["DataRetentionFileRetentionDays"] = "0"
+	props["DataRetentionEnableBoardsDeletion"] = "false"
+	props["DataRetentionBoardsRetentionDays"] = "0"
 	props["CWSURL"] = ""
 
 	props["CustomUrlSchemes"] = strings.Join(c.DisplaySettings.CustomURLSchemes, ",")
@@ -190,6 +192,8 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 			props["DataRetentionMessageRetentionDays"] = strconv.FormatInt(int64(*c.DataRetentionSettings.MessageRetentionDays), 10)
 			props["DataRetentionEnableFileDeletion"] = strconv.FormatBool(*c.DataRetentionSettings.EnableFileDeletion)
 			props["DataRetentionFileRetentionDays"] = strconv.FormatInt(int64(*c.DataRetentionSettings.FileRetentionDays), 10)
+			props["DataRetentionEnableBoardsDeletion"] = strconv.FormatBool(*c.DataRetentionSettings.EnableBoardsDeletion)
+			props["DataRetentionBoardsRetentionDays"] = strconv.FormatInt(int64(*c.DataRetentionSettings.BoardsRetentionDays), 10)
 		}
 
 		if *license.Features.Cloud {