ci: add id-token: write for NuGet Trusted Publish

Author: guitarrapc

.github/workflows/build-release.yaml

@@ -104,6 +104,7 @@ jobs:
     needs: [update-packagejson, build-dotnet, build-unity]
     permissions:
       contents: write
+      id-token: write # required for NuGet Trusted Publish
     uses: Cysharp/Actions/.github/workflows/create-release.yaml@main
     with:
       dry-run: ${{ inputs.dry-run }}