feat(CI): Added check for manual tests checkbox

.github/PULL_REQUEST_TEMPLATE.md

@@ -7,7 +7,7 @@ Note: Before submitting a pull request, please open an issue for discussion if y
 ## Checklist
 - [ ] I have followed [Sample Guidelines from AUTHORING_GUIDE.MD](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/AUTHORING_GUIDE.md)
 - [ ] README is updated to include [all relevant information](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/AUTHORING_GUIDE.md#readme-file)
-- [ ] **Tests** pass:   `nox -s py-3.9` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/AUTHORING_GUIDE.md#test-environment-setup))
+- [ ] **Tests** pass:   `nox -s py-3.10` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/AUTHORING_GUIDE.md#test-environment-setup))
 - [ ] **Lint** pass:   `nox -s lint` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/main/AUTHORING_GUIDE.md#test-environment-setup))
 - [ ] These samples need a new **API enabled** in testing projects to pass (let us know which ones)
 - [ ] These samples need a new/updated **env vars** in testing projects set to pass (let us know which ones)

.github/workflows/check-pr-manual-test.yml

@@ -0,0 +1,34 @@
+name: "CI: Check Manual Test Completion"
+on:
+  pull_request:
+    types: [opened, edited, synchronize]
+jobs:
+  check-task:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Verify tests checkbox is ticked
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const prBody = context.payload.pull_request.body;
+
+            if (!prBody) {
+              core.setFailed("PR description is empty. Please use the PR template and check the required boxes.");
+              return;
+            }
+
+            // Regex checks for a markdown checkbox followed by 'nox -s py-3.'
+            // [ x ] or [x] means checked. [ ] means unchecked.
+            const checkedRegex = /- \[[xX]\] .*nox -s py-3\.\d+/;
+            const includesTargetText = prBody.includes("nox -s py-3.");
+
+            if (!includesTargetText) {
+              core.setFailed("The required test verification line seems to be missing from the PR description.");
+              return;
+            }
+
+            if (checkedRegex.test(prBody)) {
+              console.log("Success: The test execution checkbox has been marked!");
+            } else {
+              core.setFailed("You must run the tests and check the 'nox -s py-3.9' box before this PR can be merged.");
+            }

AUTHORING_GUIDE.md

@@ -109,7 +109,7 @@ started with using a service or API — it should be in a _quickstart_ folder.
 
 ### Python Versions
 
-Samples should support Python 3.9, 3.10, 3.11, 3.12 and 3.13.
+Samples should support Python 3.10, 3.11, 3.12, 3.13 and 3.14.
 
 If the API or service your sample works with has specific Python version
 requirements different from those mentioned above, the sample should support