build(deps): bump nick-invision/retry from 2.8.0 to 2.8.1

Bumps [nick-invision/retry](https://github.com/nick-invision/retry) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/nick-invision/retry/releases)
- [Changelog](https://github.com/nick-fields/retry/blob/master/.releaserc.js)
- [Commits](nick-fields/retry@616fa81...b4fa575)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/cd.yml

@@ -156,7 +156,7 @@ jobs:
 
       # Action Repo: https://github.com/nick-invision/retry
       - name: "Stage 4: Verify staging works"
-        uses: nick-invision/retry@616fa81820c9b34fd44f4a0cfeda436b4b8338d3
+        uses: nick-invision/retry@b4fa57557dda8c2f30bcb2d19372cc3237190f7f
         with:
           timeout_minutes: 10
           max_attempts: 3
@@ -284,7 +284,7 @@ jobs:
           TERM: xterm
 
       - name: "Stage 4: Verify ${{ matrix.federation_member }} works"
-        uses: nick-invision/retry@616fa81820c9b34fd44f4a0cfeda436b4b8338d3
+        uses: nick-invision/retry@b4fa57557dda8c2f30bcb2d19372cc3237190f7f
         with:
           timeout_minutes: 10
           max_attempts: 3