* fix Filer startup failure due to JWT on / path #8149
- Comment out JWT keys in security.toml.example
- Revert Dockerfile.local change that enabled security by default
- Exempt GET/HEAD on / from JWT check for health checks
* refactor: simplify JWT bypass condition as per PR feedback
* Implement optional path-prefix and method scoping for Filer HTTP JWT
* Fix security vulnerability and improve test error handling
* Address PR feedback: replace debug logging and improve tests
* Use URL.Path in logs to avoid leaking query params