Bump webrick from 1.7.0 to 1.8.2 in /android

Bumps [webrick](https://github.com/ruby/webrick) from 1.7.0 to 1.8.2.
- [Release notes](https://github.com/ruby/webrick/releases)
- [Commits](ruby/webrick@v1.7.0...v1.8.2)

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

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

android/Gemfile.lock

@@ -187,7 +187,7 @@ GEM
       unf_ext
     unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
-    webrick (1.7.0)
+    webrick (1.8.2)
     word_wrap (1.0.0)
     xcodeproj (1.25.0)
       CFPropertyList (>= 2.3.3, < 4.0)