Bumps Github actions dependencies

Author: Ombrelin

.github/workflows/ci-cd.yml

@@ -28,7 +28,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
     container:
-      image: mcr.microsoft.com/dotnet/sdk:6.0
+      image: mcr.microsoft.com/dotnet/sdk:8.0
     needs: [build-and-test]
     steps:
       - uses: actions/checkout@v2
@@ -42,7 +42,7 @@ jobs:
         run: |
           cd src/PlexRichPresence.UI.Avalonia 
           export PATH="$PATH:/github/home/.dotnet/tools"
-          dotnet deb -c Release -f net6.0 -o dist/linux-x64
+          dotnet deb -c Release -f net8.0 -o dist/linux-x64
       - name: Save deb package as artifact
         uses: actions/upload-artifact@v4
         with: