Bump raabro from 1.1.6 to 1.3.1 (#13738)

Bumps [raabro](https://github.com/floraison/raabro) from 1.1.6 to 1.3.1.
- [Release notes](https://github.com/floraison/raabro/releases)
- [Changelog](https://github.com/floraison/raabro/blob/master/CHANGELOG.md)
- [Commits](https://github.com/floraison/raabro/compare/v1.1.6...v1.3.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -438,7 +438,7 @@ GEM
       nio4r (~> 2.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
-    raabro (1.1.6)
+    raabro (1.3.1)
     rack (2.2.2)
     rack-attack (6.3.0)
       rack (>= 1.0, < 3)