Release 0.42.1

Release 0.43.0 (googleapis#3095)

Release 0.41.0 (googleapis#3076)

Release 0.41.0 (googleapis#3076)

Release 0.40.0

release 0.39.0 (googleapis#3042)

releasing 0.38.0 (googleapis#3004)

bump version to 0.37.0 (googleapis#2969)

Version bump to 0.36.0 (googleapis#2967)

Release 0.35.0-alpha, 0.35.0-beta and 1.17.0 (googleapis#2929)

Also:
fix javadoc issue in Role.java file;
fix s/google-cloud-bom.version/bom.version to fix the version update script;
fix root README.md version from 0.33.0 (should be 0.34.0) directly to 0.35.0);
fix javadoc issue in LocalStorageHelper.java.