Add ubuntu-24.04 to build targets

Author: cboulay

.github/workflows/cppcmake.yml

@@ -37,6 +37,7 @@ jobs:
         config:
         - {name: "ubuntu-20.04", os: "ubuntu-20.04",   cmake_extra: "-DLSL_BUNDLED_PUGIXML=OFF"}
         - {name: "ubuntu-22.04", os: "ubuntu-22.04",   cmake_extra: "-DLSL_BUNDLED_PUGIXML=OFF" }
+        - {name: "ubuntu-24.04", os: "ubuntu-24.04",   cmake_extra: "-DLSL_BUNDLED_PUGIXML=OFF" }
         - {name: "windows-x64",  os: "windows-latest", cmake_extra: "-T v142,host=x86"}
         - {name: "windows-32",   os: "windows-latest", cmake_extra: "-T v142,host=x86 -A Win32"}
         - {name: "macOS-latest", os: "macOS-latest"}