chore: update deps, adapt lint, use json v2 (#1185)

- Raised go to 1.27
- Adopted json v2
- Sync lint config from gitea
- Fixed all issues

Co-authored-by: silverwind <me@silverwind.io>
Reviewed-on: https://gitea.com/gitea/runner/pulls/1185
Reviewed-by: bircni <bircni@icloud.com>
Co-authored-by: Renovate Bot <renovate-bot@gitea.com>

act/runner/step_docker_test.go

@@ -29,9 +29,9 @@ func TestStepDockerMain(t *testing.T) {
 		input = containerInput
 		return cm
 	}
-	defer (func() {
+	defer func() {
 		ContainerNewContainer = origContainerNewContainer
-	})()
+	}()
 
 	ctx := context.Background()