Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Bump Bazel version to 3.7.0
  Upgrade bazlets to latest stable-3.0 to build with 3.0.13 API

Change-Id: I651be39f724d66141e1284be3bc37c70e482d255
tree: 623462a9fbd3b1894cd8f9c37eda4d8a8e615356
  1. .settings/
  2. src/
  3. .bazelignore
  4. .bazelversion
  5. BUILD
  6. LICENSE
  7. bazlets.bzl