feat: provide endpoint to lock/unlock workspace (#8239)

coderd/database/dbfake/dbfake.go

@@ -5197,6 +5197,26 @@ func (q *fakeQuerier) UpdateWorkspaceLastUsedAt(_ context.Context, arg database.
 	return sql.ErrNoRows
 }
 
+func (q *fakeQuerier) UpdateWorkspaceLockedAt(_ context.Context, arg database.UpdateWorkspaceLockedAtParams) error {
+	if err := validateDatabaseType(arg); err != nil {
+		return err
+	}
+
+	q.mutex.Lock()
+	defer q.mutex.Unlock()
+
+	for index, workspace := range q.workspaces {
+		if workspace.ID != arg.ID {
+			continue
+		}
+		workspace.LockedAt = arg.LockedAt
+		q.workspaces[index] = workspace
+		return nil
+	}
+
+	return sql.ErrNoRows
+}
+
 func (q *fakeQuerier) UpdateWorkspaceProxy(_ context.Context, arg database.UpdateWorkspaceProxyParams) (database.WorkspaceProxy, error) {
 	q.mutex.Lock()
 	defer q.mutex.Unlock()