Timeout after 20 minutes instead of 10. Remove Automerge job.

.github/workflows/test_pr.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-  pull_request_target:
+  pull_request:
     branches:
       - main
 
@@ -15,7 +15,7 @@ jobs:
   test:
     name: ${{ matrix.platform }}
     runs-on: ${{ matrix.platform }}
-    timeout-minutes: 10
+    timeout-minutes: 20
     strategy:
       fail-fast: false
       matrix:
@@ -61,29 +61,3 @@ jobs:
       - name: Test
         working-directory: ${{github.workspace}}/build
         run: ctest -C ${{env.BUILD_TYPE}} -L acquire-driver-zarr --output-on-failure
-
-  merge:
-    name: Automerge
-    runs-on: "ubuntu-latest"
-    needs: test
-    if: ${{ github.actor == 'dependabot[bot]' }}
-    steps:
-      - name: Checkout PR
-        uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          repository: ${{ github.event.pull_request.head.repo.full_name }}
-
-      - name: Approve PR
-        run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{ github.event.pull_request.html_url }}
-          GH_TOKEN: ${{ secrets.PAT }}
-
-      # Don't auto-merge major version updates
-      - name: Merge PR
-        if: ${{ steps.dependabot-metadata.outputs.update-type != 'version-update:semver-major' }}
-        run: gh pr merge --auto --squash "$PR_URL"
-        env:
-          PR_URL: ${{ github.event.pull_request.html_url }}
-          GH_TOKEN: ${{ secrets.PAT }}