examples: update with-sass README.md

[JamBalaya56562]

Summary

Follow up #73548.
Change with-next-sass to with-sass at Deploy your own section in README.md.

CC: @samcx

Adding or Updating Examples

• The "examples guidelines" are followed from our contributing doc https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md
• Make sure the linting passes by running pnpm build && pnpm lint. See https://github.com/vercel/next.js/blob/canary/contributing/repository/linting.md

[ijjk]

Allow CI Workflow Run

• approve CI run for commit: e62a50c

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

[samcx]

for catching that!