chore: Changed CD to use OIDC

Author: steffenskov

.github/workflows/cd.yml

@@ -37,6 +37,8 @@ jobs:
   deploy:
     needs: test
     runs-on: 'ubuntu-latest'
+    permissions:
+      id-token: write # required by OIDC
 
     steps:
     - name: 'Checkout'
@@ -56,5 +58,11 @@ jobs:
     - name: 'Pack main project'
       run: dotnet pack ${{ env.PROJECT_PATH }} --no-restore --no-build --configuration Release --include-symbols -p:SymbolPackageFormat=snupkg --output ${{ env.PACKAGE_OUTPUT_DIRECTORY }}
 
+    - name: NuGet login (OIDC)
+      uses: NuGet/login@v1
+      id: login
+      with:
+        user: ${{ secrets.NUGET_USERNAME }}
+
     - name: 'Push package'
-      run: dotnet nuget push ${{ env.PACKAGE_OUTPUT_DIRECTORY }}/*.nupkg -k ${{ secrets.NUGET_API_KEY }} -s ${{ env.NUGET_SOURCE_URL }} --skip-duplicate
+      run: dotnet nuget push ${{ env.PACKAGE_OUTPUT_DIRECTORY }}/*.nupkg --api-key ${{ steps.login.outputs.NUGET_API_KEY }} --source ${{ env.NUGET_SOURCE_URL }} --skip-duplicate