github checkout actions v5

Author: zeyus

.github/workflows/cppcmake.yml

@@ -58,7 +58,7 @@ jobs:
         - {name: "macos-latest", os: "macos-latest", arch: "universal"}
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     # Set up cross-compilation toolchain for ARM on Linux
     - name: Install cross-compilation toolchain