chore(main): release google-cloud-secret_manager 2.2.0 (#34413) #108288

Job	Run time
CI (ubuntu-latest, 4.0, --test)	53s
CI (ubuntu-latest, 3.4, --test)	1m 6s
CI (ubuntu-latest, 4.0, --rubocop-toplevel --rubocop --build --yard)	1m 6s
CI (macos-latest, 4.0, --test)	50s
CI (windows-latest, 4.0, --test)	2m 38s
CI (ubuntu-latest, 3.3, --test)	1m 0s
CI (ubuntu-latest, 3.2, --test)	1m 4s
	8m 37s

Provide feedback