refactor: remove unused branchName param in getFileList

lib/platform/azure/index.ts

lib/platform/bitbucket-server/index.ts

lib/platform/bitbucket/index.ts

lib/platform/bitbucket/utils.ts

lib/platform/git/__snapshots__/storage.spec.ts.snap

lib/platform/git/storage.spec.ts

lib/platform/git/storage.ts

lib/platform/gitea/index.ts

lib/platform/github/index.ts

lib/platform/gitlab/index.ts