Update gcc-build.yml

Author: Foereaper

.github/workflows/gcc-build.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Dependencies
       run: |
         sudo apt-get update && sudo apt-get install -yq libboost-all-dev g++-11
-        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11
     - name: Setup
       run: |
         mkdir bin