PLT-6090 adding ability to read license file from disk (#5895)

* PLT-6090 adding ability to read license file from disk

* Fixing unit test that fails only sometimes

* Fixing test that fails randomly

store/sql_webhook_store_test.go

@@ -5,6 +5,7 @@ package store
 
 import (
 	"testing"
+	"time"
 
 	"net/http"
 
@@ -31,6 +32,7 @@ func TestWebhookStoreUpdateIncoming(t *testing.T) {
 	previousUpdatedAt := o1.UpdateAt
 
 	o1.DisplayName = "TestHook"
+	time.Sleep(10 * time.Millisecond)
 
 	if result := (<-store.Webhook().UpdateIncoming(o1)); result.Err != nil {
 		t.Fatal("updation of incoming hook failed", result.Err)