Chore: [AEA-0000] - local workflow to update devcontainer (#5)

## Summary

- Routine Change

### Details

- local workflow to update devcontainer

Author: anthony-nhs

.github/workflows/schedule_update_devcontainer.yml

@@ -0,0 +1,28 @@
+name: Update devcontainer version
+
+on:
+    workflow_dispatch:
+    schedule:
+        - cron: "0 6 * * 2"
+
+permissions: {}
+jobs:
+    update-devcontainer-version:
+        runs-on: ubuntu-22.04
+        environment: create_pull_request
+        permissions:
+            contents: read
+            packages: read
+
+        steps:
+            - name: Checkout local repository
+              uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+              with:
+                  fetch-depth: 0
+                  persist-credentials: false
+            - name: Update devcontainer version
+              uses: ./
+              with:
+                  calling_repo_base_branch: main
+                  CREATE_PULL_REQUEST_APP_ID: ${{ secrets.CREATE_PULL_REQUEST_APP_ID }}
+                  CREATE_PULL_REQUEST_PEM: ${{ secrets.CREATE_PULL_REQUEST_PEM }}

README.md

@@ -36,11 +36,12 @@ on:
     - cron: '0 6 * * 1'
 
 jobs:
-  sync-copilot-instructions:
+  update-devcontainer-version:
     runs-on: ubuntu-22.04
     environment: create_pull_request
     permissions:
       contents: read
+      packages: read
 
     steps:
       - name: Update devcontainer version
@@ -71,4 +72,4 @@ Before using the action in a repository, ensure that https://github.com/NHSDigit
 
 - The action is implemented as a composite action in `action.yml`
 - It uses pinned action SHAs for its external action dependencies
-- The action opens a pull request instead of pushing directly to the base branch
+- The action opens a pull request instead of pushing directly to the base branch