chore(deps): update golangci/golangci-lint docker tag to v1.56.2 (#2099)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/vikunja/pulls/2099
Co-authored-by: renovate <renovatebot@kolaente.de>
Co-committed-by: renovate <renovatebot@kolaente.de>

pkg/models/project_test.go

@@ -354,9 +354,6 @@ func TestProject_ReadAll(t *testing.T) {
 		assert.Len(t, projects, 25)
 		_ = s.Close()
 	})
-	t.Run("only child projects for one project", func(t *testing.T) {
-		// TODO
-	})
 	t.Run("all projects for user", func(t *testing.T) {
 		db.LoadAndAssertFixtures(t)
 		s := db.NewSession()