Revert "Minimize PR overhead for non-code changes (#16279)"

This reverts commit 176aa38.

.github/workflows/continuous_integration.yml

@@ -1,8 +1,5 @@
 name: Continuous Integration
-on:
-  pull_request:
-    paths-ignore:
-      - '**.md'
+on: [pull_request]
 permissions:
   pull-requests: write
   issues: write

.github/workflows/set-tugboat-tests-pending.yml

@@ -0,0 +1,43 @@
+name: Set Tugboat Tests Pending
+on:
+  - pull_request_target
+permissions:
+  pull-requests: write
+  checks: write
+  contents: write
+  statuses: write
+jobs:
+  # Tugboat tests are not automatically set pending, even though they are
+  # required in branch protection rules (see #10553).
+  #
+  # Therefore, a PR can inappropriately appear to be ready to merge if,
+  # for instance, a composer.lock merge conflict prevents the Tugboat
+  # preview from successfully building.
+  #
+  # This action sets these tests pending from an immediate GitHub Action
+  # so that we can trust our automated code review processes more.
+  set-tugboat-tests-pending:
+    name: Set Tugboat Tests Pending
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - name: Set status for Tugboat tasks.
+        run: |
+          test_names=(
+            va/tests/cypress
+            va/tests/phpunit
+            va/tests/content-build-gql
+            va/tests/status-error
+          )
+          for test_name in "${test_names[@]}"; do
+            gh api \
+              --method POST \
+              -H "Accept: application/vnd.github+json" \
+              "/repos/${GITHUB_REPOSITORY}/statuses/${SHA}" \
+              -f state='pending' \
+              -f context="${test_name}";
+          done;
+        env:
+          SHA: ${{ github.event.pull_request.head.sha }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

tests.yml

@@ -10,7 +10,7 @@ output: 'group'
 tasks:
 
   # Any changes to test names or additions or removals must be updated in
-  # .github/workflows/set-tests-statuses.yml as well for the
+  # .github/workflows/set-tugboat-tests-pending.yml as well for the
   # test to be required effectively.
 
   # The following is necessary to ensure that the tests are set to "pending"