[GRASS-git] [OSGeo/grass] eb19ce: Sync base image to `.github/workflows/gcc.yml`

[Markus Neteler]

  Branch: refs/heads/gh_action_codeql
  Home:   https://github.com/OSGeo/grass
  Commit: eb19ce0014e039b052ac89d13081f46197c9aae1
      https://github.com/OSGeo/grass/commit/eb19ce0014e039b052ac89d13081f46197c9aae1
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-12-18 (Fri, 18 Dec 2020)

  Changed paths:
    M .github/workflows/codeql-analysis.yml

  Log Message:
  -----------
  Sync base image to `.github/workflows/gcc.yml`