updated version of upload-artifact githuib action to v4

Author: ihor-biletskyi

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
         working-directory: ./src/EPiServer.ContentDelivery.NodeProxy
         run: dotnet pack --no-build --configuration $env:buildConfiguration --version-suffix $env:versionSuffix
       - name: Archive packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: packages
           path: artifacts/**/*.nupkg

.github/workflows/nuget-release.yml

@@ -26,7 +26,7 @@ jobs:
         working-directory: ./src/EPiServer.ContentDelivery.NodeProxy
         run: dotnet pack --no-build --configuration $env:buildConfiguration
       - name: Archive packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: packages
           path: artifacts/**/*.nupkg