Fix borgmatic backup: use correct kubectl context on indri

The Mealie SQLite dump hook used `minikube-indri` (the context name on
gilbert), but on indri itself the context is just `minikube`. This caused
the before_backup hook to fail, aborting all backups since the hook was added.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ansible/roles/borgmatic/defaults/main.yml

@@ -43,7 +43,7 @@ borgmatic_k8s_sqlite_dumps:
     namespace: mealie
     label_selector: app=mealie
     db_path: /app/data/mealie.db
-    context: minikube-indri
+    context: minikube
 
 # Exclude patterns
 borgmatic_exclude_patterns: []

docs/changelog.d/+fix-borgmatic-kubectl-context.bugfix.md

@@ -0,0 +1 @@
+Fix borgmatic backup failure: use correct kubectl context (`minikube`) on indri for Mealie SQLite dump hook