This change makes the regex in `HttpClient.cpp` that matches the content-length http header case insensitive to improve compatibility, as http headers are case insensitive.
- This should prevent Artifactory from being overloaded by too many requests at a time.
- Uses "max-parallel" to limit the build job to 10 simultaneous instances.
- Only run the minimal matrix on PRs.
The change updates how clang-format is called in CI and locally, and adds prettier to the pre-commit hook. Proto files are now also formatted, while external files are excluded.
This change will skip running the notify-clio job when a PR is created from a fork, and reorders the strategy matrix configuration fields so GitHub will more clearly show which configuration is running.
