Bump webmock from 3.8.0 to 3.8.3 (#13265)

Bumps [webmock](https://github.com/bblimke/webmock) from 3.8.0 to 3.8.3.
- [Release notes](https://github.com/bblimke/webmock/releases)
- [Changelog](https://github.com/bblimke/webmock/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bblimke/webmock/compare/v3.8.0...v3.8.3)

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

@@ -265,7 +265,7 @@ GEM
       railties (>= 4.0.1)
     hamster (3.0.0)
       concurrent-ruby (~> 1.0)
-    hashdiff (1.0.0)
+    hashdiff (1.0.1)
     hashie (3.6.0)
     highline (2.0.3)
     hiredis (0.6.3)
@@ -641,7 +641,7 @@ GEM
     uniform_notifier (1.13.0)
     warden (1.2.8)
       rack (>= 2.0.6)
-    webmock (3.8.0)
+    webmock (3.8.3)
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)