message: GitHub actions: use ubuntu-20.04 instead of ubuntu-latest
diff: @@ -4,7 +4,7 @@ on: [push, pull_request]
  jobs:
  precheks:
  - runs-on: ubuntu-latest
  + runs-on: ubuntu-20.04
  name: Linux -> Pre-checks
  steps:
  @@ -30,6 +30,7 @@ jobs:
  runs-on: ubuntu-latest
  strategy:
  + fail-fast: false
  matrix:
  include:
  - name: "GCC"
  