Bump phony from 2.20.15 to 2.21.1

Bumps [phony](https://github.com/floere/phony) from 2.20.15 to 2.21.1.
- [Changelog](https://github.com/floere/phony/blob/master/history.textile)
- [Commits](floere/phony@v2.20.15...v2.21.1)

---
updated-dependencies:
- dependency-name: phony
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -404,7 +404,7 @@ GEM
       google-protobuf (>= 3.25.3)
     pghero (3.6.1)
       activerecord (>= 6.1)
-    phony (2.20.15)
+    phony (2.21.1)
     phony_rails (0.15.0)
       activesupport (>= 3.0)
       phony (>= 2.18.12)