GitHub: use default Clang and GCC

Author: corporateshark

.github/workflows/c-cpp.yml

@@ -24,16 +24,16 @@ jobs:
               name: "Ubuntu - Clang",
               os: ubuntu-latest,
               build_type: "Debug",
-              cc: "clang-15",
-              cxx: "clang++-15",
+              cc: "clang",
+              cxx: "clang++",
               generators: "Unix Makefiles",
             }
           - {
               name: "Ubuntu - GCC",
               os: ubuntu-latest,
               build_type: "Debug",
-              cc: "gcc-12",
-              cxx: "g++-12",
+              cc: "gcc",
+              cxx: "g++",
               generators: "Unix Makefiles"
             }
       runs-on: ${{ matrix.config.os }}