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Prepare for Deprecation of Node 20.

Author: kitsumed

.github/workflows/nuget_build_release.yml

@@ -15,10 +15,10 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: "Install Dotnet"
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: "8.0.x"