Update cmake.yml

Author: TartanLlama

.github/workflows/cmake.yml

@@ -45,12 +45,16 @@ jobs:
             install: apt install -y g++-8
           - cxx: g++-9
             std: 14
+            install: apt install -y g++-9
           - cxx: g++-9
             std: 17
+            install: apt install -y g++-9
           - cxx: g++-10
             std: 14
+            install: apt install -y g++-10
           - cxx: g++-10
             std: 17
+            install: apt install -y g++-10
           - cxx: g++-11
             std: 14
             install: apt install -y g++-11