Auth for nuget tooling

.gitea/workflows/build dev.yaml

@@ -51,13 +51,17 @@ jobs:
     needs: build
     container: git.sh-edraft.de/sh-edraft.de/act-runner:latest
     steps:
+      - name: Configure nuget
+        run: |
+          dotnet nuget add source --name git_sh-edraft_de --username ${{ secrets.CI_USERNAME }} --password ${{ secrets.CI_ACCESS_TOKEN }} --store-password-in-clear-text https://git.sh-edraft.de/api/packages/sh-edraft.de/nuget/index.json
+
       - name: Install package-cleanup tool
         shell: bash
         run: |
           dotnet tool install \
             --tool-path .tools \
             sh.actions.package-cleanup \
-            --add-source https://git.sh-edraft.de/api/packages/sh-edraft.de/nuget/index.json
+            --source sh-git_sh-edraft_de
 
       - name: Run package-cleanup
         shell: bash