Bump nick-fields/retry from 2 to 3 (#441)

Bumps [nick-fields/retry](https://github.com/nick-fields/retry) from 2 to 3.
- [Release notes](https://github.com/nick-fields/retry/releases)
- [Changelog](https://github.com/nick-fields/retry/blob/master/.releaserc.js)
- [Commits](https://github.com/nick-fields/retry/compare/v2...v3)

---
updated-dependencies:
- dependency-name: nick-fields/retry
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/acctest.yml

@@ -35,7 +35,7 @@ jobs:
 
       # The acceptance tests sometimes timeout for some unknown reason.
       - name: TF acceptance tests
-        uses: "nick-fields/retry@v2"
+        uses: "nick-fields/retry@v3"
         with:
           timeout_minutes: 20
           max_attempts: 3