GitHub workflow v3→v4

Author: Timwi

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
@@ -33,7 +33,7 @@ jobs:
             core.exportVariable('VER_SUF', ver_suf);
 
       - name: Install dotnet
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: '8.x'
           dotnet-quality: 'ga'
@@ -51,7 +51,7 @@ jobs:
         run: dotnet nuget push Publish/*.nupkg -k ${{ secrets.NUGET_API_KEY }} -s https://api.nuget.org/v3/index.json
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: RT.CommandLine-v${{env.VER_NUM}}
           path: Publish