CHORE(api): update ExternalSecrets API version

- Update ExternalSecret API from v1beta1 to v1
- Migrate to stable API version

deploy/k8s/overlays/prod/externalsecret.yaml

@@ -1,4 +1,4 @@
-apiVersion: external-secrets.io/v1beta1
+apiVersion: external-secrets.io/v1
 kind: ExternalSecret
 metadata:
   name: mas-api-keys
@@ -20,7 +20,7 @@ spec:
         key: mas/api-keys
         property: GROQ_API_KEY
 ---
-apiVersion: external-secrets.io/v1beta1
+apiVersion: external-secrets.io/v1
 kind: ExternalSecret
 metadata:
   name: postgresql-password
@@ -42,7 +42,7 @@ spec:
         key: databases/postgresql
         property: POSTGRES_PASSWORD
 ---
-apiVersion: external-secrets.io/v1beta1
+apiVersion: external-secrets.io/v1
 kind: ExternalSecret
 metadata:
   name: postgresql-root-password