GitHub Actions: update workflows and add Linux arm64 support for .NET

.github/workflows/webassembly-cxx.yml

@@ -8,7 +8,7 @@ jobs:
       BUILD_TYPE: Release
     steps:
     - name: Cloning
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Setup emsdk
       uses: mymindstorm/setup-emsdk@v14
       with:
@@ -22,7 +22,7 @@ jobs:
     - name: Build
       run: cmake --build "${{github.workspace}}/build" --config ${{env.BUILD_TYPE}}
     - name: Upload
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: WebAssembly
         path: |