* MergeFormatter{Pass}: Use Charset instead of String
* Deprecate Constants.CHARACTER_ENCODING in favor of StandardCharsets.UTF_8
* Bazel: Increase severity of MissingFail to ERROR
* TestProtocolTest: Add missing calls to fail()
* BlockListTest: Add missing calls to fail()
* DirCacheBuilderTest#testBuildRejectsUnsetFileMode: Add missing fail()
* DirCacheCheckoutTest#testCheckoutHierarchy: Add missing call to fail()
* ConfigTest: Fix tests for getting empty config value as int
* FileResolverTest#testNotAGitRepository: Fail when exception is not thrown
* ReceivePackAdvertiseRefsHookTest#testSuccess: Open TransportLocal in t-w-r
* DfsPackCompactor: Open PackWriter in try-with-resource
* DfsPackFile: Refactor getBitmapIndex to open ReadableChannel in try-with-resource