refactor: Remove 'util/got' (#6523)

lib/datasource/docker/index.ts

lib/manager/bazel/__snapshots__/update.spec.ts.snap

lib/manager/bazel/update.spec.ts

lib/manager/homebrew/__snapshots__/update.spec.ts.snap

lib/manager/homebrew/update.spec.ts

lib/manager/homebrew/update.ts

lib/util/got/__snapshots__/index.spec.ts.snap

lib/util/got/common.ts

lib/util/got/got.spec.ts

lib/util/got/index.spec.ts

lib/util/got/index.ts

lib/util/got/util.ts

lib/util/http/index.ts