Fix external-dns configuration for automatic DNS management

- Enable debug logging for troubleshooting
- External-DNS now successfully creates vault.nge6.com → 212.2.241.56
- DNS record creation working via Gandi API
- Requires external-dns.ambassador-service annotation on Ambassador Hosts

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

external-dns.yaml

@@ -144,7 +144,7 @@ spec:
               - --registry=txt
               - --txt-owner-id=external-dns
               - --txt-prefix=external-dns-
-              - --log-level=info
+              - --log-level=debug
               - --log-format=text
               env:
               - name: GANDI_PAT