Linting: Prefer optional chaining #6102

Job	Run time
Ruby analysis (macos-latest, linked)	1m 10s
Ruby analysis (macos-latest, nightly-latest)	53s
Ruby analysis (ubuntu-latest, linked)	48s
Ruby analysis (ubuntu-latest, default)	50s
Ruby analysis (macos-latest, default)	52s
Ruby analysis (ubuntu-latest, nightly-latest)	1m 4s
	5m 37s

Provide feedback