Use node: protocol prefix for ESM built-in imports

Agent-Logs-Url: https://github.com/FOSSBilling/.workflows/sessions/94990fe5-6c9a-49a8-af30-c277891f5a88

Co-authored-by: admdly <2807620+admdly@users.noreply.github.com>

Author: Copilot

.github/workflows/docker-build-push.yml

@@ -130,8 +130,8 @@ jobs:
                 artifact_id: artifacts.data.artifacts[0].id,
                 archive_format: 'zip'
               });
-              const { writeFileSync } = await import('fs');
-              const { execSync } = await import('child_process');
+              const { writeFileSync } = await import('node:fs');
+              const { execSync } = await import('node:child_process');
               writeFileSync('/tmp/digests.zip', Buffer.from(digests.data));
               execSync(`unzip -o /tmp/digests.zip -d /tmp/digests`);