Fix SIGPIPE error in release workflow on Linux

The `git diff | head -50` command can exit with 141 (SIGPIPE) on Linux
when head closes the pipe before git finishes writing. Add `|| true`
to ignore this expected condition.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: lukewilliamboswell

.github/workflows/release.yml

@@ -169,7 +169,7 @@ jobs:
 
           # Show diff for verification
           echo "Modified examples:"
-          git diff examples/ | head -50
+          git diff examples/ | head -50 || true
 
       - name: Run tests with bundled platform
         run: |