message: Update github-ci.yml
diff: @@ -34,7 +34,7 @@ jobs:
  ld_flags: '-fsanitize=address -fsanitize=leak -fsanitize=undefined -fsanitize=address-use-after-scope -fno-omit-frame-pointer'}
  # Clang builds
  - - {os: ubuntu-latest, compiler: clang, version: '10',
  + - {os: ubuntu-20.04, compiler: clang, version: '10',
  build_type: Release, hash_type: xxhash }
  - {os: ubuntu-latest, compiler: clang, version: '11',
  build_type: Release, hash_type: fasthash }
  