Bump Bazel version to 3.4.1
Bump Bazel version to 3.4.1

Change-Id: I23fb40dbb988a34d911c79f1354f00cae4f848a0

GerritCodeReview/plugins_javamelody,GerritCodeReview/plugins_javamelody,GerritCodeReview/plugins_javamelody