[MM-23882] Include database server version in telemetry (#14258)

* Add database server version to telemetry

Also added a new query in the store to retrieve the database version

* Add test for the GetDbVersion function

* More drivers in the tests

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

store/storetest/mocks/SqlStore.go

@@ -379,6 +379,27 @@ func (_m *SqlStore) GetCurrentSchemaVersion() string {
 	return r0
 }
 
+// GetDbVersion provides a mock function with given fields:
+func (_m *SqlStore) GetDbVersion() (string, error) {
+	ret := _m.Called()
+
+	var r0 string
+	if rf, ok := ret.Get(0).(func() string); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func() error); ok {
+		r1 = rf()
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // GetMaster provides a mock function with given fields:
 func (_m *SqlStore) GetMaster() *gorp.DbMap {
 	ret := _m.Called()

store/storetest/mocks/Store.go

@@ -232,6 +232,27 @@ func (_m *Store) GetCurrentSchemaVersion() string {
 	return r0
 }
 
+// GetDbVersion provides a mock function with given fields:
+func (_m *Store) GetDbVersion() (string, error) {
+	ret := _m.Called()
+
+	var r0 string
+	if rf, ok := ret.Get(0).(func() string); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func() error); ok {
+		r1 = rf()
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // Group provides a mock function with given fields:
 func (_m *Store) Group() store.GroupStore {
 	ret := _m.Called()

store/storetest/store.go

@@ -87,6 +87,7 @@ func (s *Store) Close()                                { /* do nothing */ }
 func (s *Store) LockToMaster()                         { /* do nothing */ }
 func (s *Store) UnlockFromMaster()                     { /* do nothing */ }
 func (s *Store) DropAllTables()                        { /* do nothing */ }
+func (s *Store) GetDbVersion() (string, error)         { return "", nil }
 func (s *Store) TotalMasterDbConnections() int         { return 1 }
 func (s *Store) TotalReadDbConnections() int           { return 1 }
 func (s *Store) TotalSearchDbConnections() int         { return 1 }