Ensure we're on the latest versions CI actions + python (except lint check, due to issue)
Also allow running the Microk8s tests on demand with workflow dispatch
* Always run yarn only on build platform with --platform=$BUILDPLATFORM
* Remove optional dependencies (playwright + chromium) from build with --ignore-optional and move some devDependencies to be optional
* Disable husky pre-commit hook checks on frontend
Co-authored-by: sua yoo <sua@suayoo.com>
