message: ci: use gcc-10
diff: @@ -154,9 +154,9 @@ jobs:
  run: |
  set -x
  apt -qqy update
  - apt -qq -y install clang-10 build-essential wget git python3 python-is-python3
  + apt -qq -y install clang-10 build-essential wget git python3 python-is-python3 gcc-10 g++-10
  source ./.github/settings.sh
  - ./.github/bin/set-compiler.sh 9
  + ./.github/bin/set-compiler.sh 10
  ./.github/bin/install-bazel.sh
  - name: ${{ matrix.mode }} Verible
  