Bump appraisal from 2.3.0 to 2.5.0

Bumps [appraisal](https://github.com/thoughtbot/appraisal) from 2.3.0 to 2.5.0.
- [Release notes](https://github.com/thoughtbot/appraisal/releases)
- [Commits](thoughtbot/appraisal@v2.3.0...v2.5.0)

---
updated-dependencies:
- dependency-name: appraisal
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -18,7 +18,7 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    appraisal (2.3.0)
+    appraisal (2.5.0)
       bundler
       rake
       thor (>= 0.14.0)
@@ -143,7 +143,7 @@ GEM
       rubocop-performance (~> 1.20.2)
     sys-uname (1.2.2)
       ffi (~> 1.1)
-    thor (1.1.0)
+    thor (1.3.1)
     thread_safe (0.3.6)
     tzinfo (2.0.4)
       concurrent-ruby (~> 1.0)