Chore: [AEA-0000] - add dependabot approve schedule (#144)

Add Dependabot schedule to the repository

Author: anthony-nhs

.github/CODEOWNERS

@@ -0,0 +1,21 @@
+name: Auto-approve dependency updates
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '*/30 * * * *'
+
+permissions: {}
+jobs:
+  auto-approve-dependabot:
+    runs-on: ubuntu-22.04
+    environment: create_pull_request
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Auto approve and enable auto-merge
+        uses: NHSDigital/eps-dependabot-approve@da0503449b218ccd99bc547e242007d5514e4d2f
+        with:
+          AUTOMERGE_APP_ID: ${{ secrets.AUTOMERGE_APP_ID }}
+          AUTOMERGE_PEM: ${{ secrets.AUTOMERGE_PEM }}

.github/workflows/auto_approve_dependabot.yml

@@ -1,29 +1,15 @@
 name: Pull Request
-
 on:
   pull_request:
     branches: [main]
-
 env:
   BRANCH_NAME: ${{ github.event.pull_request.head.ref }}
-
 permissions: {}
 jobs:
-  dependabot-auto-approve-and-merge:
-    needs: quality_checks
-    uses: ./.github/workflows/dependabot-auto-approve-and-merge.yml
-    permissions:
-      contents: write
-      pull-requests: write
-    secrets:
-      AUTOMERGE_APP_ID: ${{ secrets.AUTOMERGE_APP_ID }}
-      AUTOMERGE_PEM: ${{ secrets.AUTOMERGE_PEM }}
-
   pr_title_format_check:
     uses: ./.github/workflows/pr_title_check.yml
     permissions:
       pull-requests: write
-
   get_config_values:
     uses: ./.github/workflows/get-repo-config.yml
     permissions:
@@ -32,7 +18,6 @@ jobs:
       packages: read
     with:
       verify_published_from_main_image: false
-
   quality_checks:
     uses: ./.github/workflows/quality-checks-devcontainer.yml
     needs: [get_config_values]
@@ -44,7 +29,6 @@ jobs:
       pinned_image: ${{ needs.get_config_values.outputs.pinned_image }}
     secrets:
       SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-
   tag_release:
     needs: get_config_values
     uses: ./.github/workflows/tag-release-devcontainer.yml