update g++

Author: Decapitated

.github/workflows/builds.yml

@@ -74,6 +74,8 @@ jobs:
         env:
           SCONS_CACHE: ${{ github.workspace }}/.scons-cache/
         run: |
+          sudo apt update
+          sudo apt install --reinstall g++
           sudo apt-get install tree
           pwd
           tree /usr/include/c++