chore: update CI (#8614)

.github/workflows/ci.yml

@@ -65,7 +65,11 @@ jobs:
       - name: Build
         run: npm run docs
       - name: Check if autogenerated docs differ
-        run: $(git diff) || exit 1
+        run: |
+          if [[ $(git diff) ]]; then
+            echo "Please update the documentation by running 'npm run docs'"
+            exit 1
+          fi
       - name: Check if docs need to be deployed
         id: needs_deploying
         run: |
@@ -172,6 +176,7 @@ jobs:
         if: ${{ steps.test-chrome.conclusion != 'skipped' }}
         run: npm run test:firefox
       - name: Test bundling and installation
+        if: ${{ matrix.spec.name == 'Linux' }}
         run: |
           # Note: this modifies package.json to test puppeteer-core, so we test this last.
           npm run test:install

.github/workflows/pre-release.yml

@@ -32,5 +32,5 @@ jobs:
           git config --global user.name 'release-please[bot]'
           git config --global user.email '55107282+release-please[bot]@users.noreply.github.com'
           git add .
-          git commit -m 'chore: generated versioned docs'
+          git commit -m 'chore: generate versioned docs'
           git push --no-verify