Bump pry-doc from 1.5.0 to 1.6.0 in /backend

Bumps [pry-doc](https://github.com/pry/pry-doc) from 1.5.0 to 1.6.0.
- [Changelog](https://github.com/pry/pry-doc/blob/master/CHANGELOG.md)
- [Commits](pry/pry-doc@v1.5.0...v1.6.0)

---
updated-dependencies:
- dependency-name: pry-doc
  dependency-version: 1.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

backend/Gemfile.lock

@@ -315,7 +315,7 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
-    pry-doc (1.5.0)
+    pry-doc (1.6.0)
       pry (~> 0.11)
       yard (~> 0.9.11)
     pry-rails (0.3.11)
@@ -490,7 +490,7 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    yard (0.9.36)
+    yard (0.9.37)
     zeitwerk (2.6.16)
 
 PLATFORMS