Upgrade GitHub Actions to lower supply chain risk (#2009)

* https://github.com/actions/checkout/releases
* https://github.com/actions/setup-dotnet/releases
* https://github.com/actions/upload-artifact

Author: cclauss

.github/workflows/main.yml

@@ -16,21 +16,21 @@ jobs:
     - name: Install tools
       if: matrix.os == 'ubuntu-22.04'
       run: sudo apt-get -yq install mono-vbnc dos2unix
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         submodules: true
 
       # Setup .NET
     - name: Setup .NET 10.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '10.0.x'
     - name: Setup .NET 9.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '9.0.x'
     - name: Setup .NET 8.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '8.0.x'
 
@@ -49,7 +49,7 @@ jobs:
       run: pwsh make.ps1 package
 
       # Upload package
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v7
       with:
         name: packages-${{ matrix.os }}
         path: Package/Release/Packages
@@ -65,21 +65,21 @@ jobs:
 
     steps:
       # Prerequisites
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         submodules: true
 
       # Setup .NET
     - name: Setup .NET 10.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '10.0.x'
     - name: Setup .NET 9.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '9.0.x'
     - name: Setup .NET 8.0
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '8.0.x'