docs(get-vault-secrets): move permissions to job-level in example wor… (#968)

docs(get-vault-secrets): move permissions to job-level in example workflow in readme

Author: dblinkhorn

actions/get-vault-secrets/README.md

@@ -17,15 +17,15 @@ name: CI
 on:
   pull_request:
 
-# These permissions are needed to assume roles from Github's OIDC.
-permissions:
-  contents: read
-  id-token: write
-
 jobs:
   build:
     runs-on: ubuntu-latest
 
+    # These permissions are needed to assume roles from Github's OIDC.
+    permissions:
+      contents: read
+      id-token: write
+
     steps:
       - id: get-secrets
         uses: grafana/shared-workflows/actions/[email protected]