Bump webrick from 1.8.1 to 1.8.2 (#240)

Bumps [webrick](https://github.com/ruby/webrick) from 1.8.1 to 1.8.2.
- [Release notes](https://github.com/ruby/webrick/releases)
- [Commits](ruby/webrick@v1.8.1...v1.8.2)

---
updated-dependencies:
- dependency-name: webrick
  dependency-version: 1.8.2
  dependency-type: indirect
...

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Author: dependabot[bot]

Gemfile.lock

@@ -271,7 +271,7 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
-    webrick (1.8.1)
+    webrick (1.8.2)
     word_wrap (1.0.0)
     xcodeproj (1.24.0)
       CFPropertyList (>= 2.3.3, < 4.0)