Workaround: change c++ version from c++20 to c++2a in makefile

Author: jay-tux

.github/workflows/c-cpp.yml

@@ -12,8 +12,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Install correct g++ version
-      run: sudo apt install gcc-11 g++-11 && sudo update-alternatives --set g++ /usr/bin/g++-11
     - name: Install Conan
       id: conan
       uses: turtlebrowser/get-conan@main

Makefile

@@ -8,7 +8,7 @@ INCL_PATH=$(abspath ./inc)
 DOC_DIR=$(abspath ./docs/)
 
 CC=g++
-CXXARGS=-I$(abspath ./inc) -g -c -std=c++20 -MMD
+CXXARGS=-I$(abspath ./inc) -g -c -std=c++2a -MMD
 LDARGS=
 
 all: