Bump phony from 2.20.14 to 2.20.15 in /components/app

Bumps [phony](https://github.com/floere/phony) from 2.20.14 to 2.20.15.
- [Changelog](https://github.com/floere/phony/blob/master/history.textile)
- [Commits](floere/phony@v2.20.14...v2.20.15)

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

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

components/app/Gemfile.lock

@@ -213,7 +213,7 @@ GEM
     parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
-    phony (2.20.14)
+    phony (2.20.15)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)