chore(deps): bump irb from 1.14.3 to 1.15.1

Bumps [irb](https://github.com/ruby/irb) from 1.14.3 to 1.15.1.
- [Release notes](https://github.com/ruby/irb/releases)
- [Commits](ruby/irb@v1.14.3...v1.15.1)

---
updated-dependencies:
- dependency-name: irb
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -149,7 +149,8 @@ GEM
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
     io-console (0.8.0)
-    irb (1.14.3)
+    irb (1.15.1)
+      pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     itamae (1.14.1)
@@ -214,6 +215,9 @@ GEM
     persistent_httparty (0.1.2)
       httparty (~> 0.9)
       persistent_http (< 2)
+    pp (0.6.2)
+      prettyprint
+    prettyprint (0.2.0)
     propshaft (1.1.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)