Yes, you can use GitHub Enterprise Server with GitHub Actions to build and deploy your Vercel Application.
vercel build allows you to build your project inside GitHub Actions, without exposing your source code to Vercel. Then, vercel deploy --prebuilt skips the build step on Vercel and uploads the previously generated .vercel/output folder to Vercel from the GitHub Action.
Learn more about how to configure GitHub Actions and Vercel for custom CI/CD workflows.