Enable Forgejo Actions and Recreate deployment strategy

Actions are required for CI runners. Recreate avoids leveldb queue lock
contention on the shared PVC during Helm upgrades.

helm/forgejo-values.yaml

@@ -1,5 +1,9 @@
 # Non-secret Forgejo Helm values (gitea-charts/gitea chart + Forgejo image).
 # Layer helm/forgejo-secrets.sops.yaml for database password and admin credentials.
+# Recreate avoids leveldb queue lock fights on the shared RWO PVC during upgrades.
+strategy:
+  type: Recreate
+
 service:
   http:
     type: ClusterIP
@@ -44,4 +48,6 @@ gitea:
       SSH_LISTEN_PORT: 2222
       DISABLE_SSH: false
     service:
-      DISABLE_REGISTRATION: true
+      DISABLE_REGISTRATION: true
+    actions:
+      ENABLED: true