fix: Update grep pattern to match new example.com content

The example.com page content has changed from "illustrative examples in documents"
to "documentation examples". Updated the test assertions in both workflows to match
the new text, ensuring CI tests pass correctly.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: umihico

.github/workflows/auto-update.yml

@@ -83,7 +83,7 @@ jobs:
           name: scraping-result
           path: /tmp/scraping-result.txt
       - name: Test
-        run: cat /tmp/scraping-result.txt | grep -q "This domain is for use in illustrative examples in documents"
+        run: cat /tmp/scraping-result.txt | grep -q "This domain is for use in documentation examples"
       - name: Update README
         run: |
           CHROME_VERSION=${{ steps.chrome-versions.outputs.CHROME_VERSION }}

.github/workflows/demo-test.yml

@@ -31,4 +31,4 @@ jobs:
           sls create --template-url "https://github.com/umihico/docker-selenium-lambda/tree/main" --path docker-selenium-lambda && cd $_
           sls deploy
           sls invoke --function demo |& tee /tmp/scraping-result.txt
-          cat /tmp/scraping-result.txt | grep -q "This domain is for use in illustrative examples in documents"
+          cat /tmp/scraping-result.txt | grep -q "This domain is for use in documentation examples"