Bump webrick from 1.8.2 to 1.9.0

Bumps [webrick](https://github.com/ruby/webrick) from 1.8.2 to 1.9.0.
- [Release notes](https://github.com/ruby/webrick/releases)
- [Commits](ruby/webrick@v1.8.2...v1.9.0)

---
updated-dependencies:
- dependency-name: webrick
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile

@@ -8,4 +8,4 @@ group :jekyll_plugins do
   gem "jemoji"
 end
 
-gem "webrick", "~> 1.8"
+gem "webrick", "~> 1.9"

Gemfile.lock

@@ -84,7 +84,7 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.6.0)
-    webrick (1.8.2)
+    webrick (1.9.0)
 
 PLATFORMS
   x86_64-linux
@@ -94,7 +94,7 @@ DEPENDENCIES
   jekyll-paginate
   jekyll-sitemap
   jemoji
-  webrick (~> 1.8)
+  webrick (~> 1.9)
 
 BUNDLED WITH
    2.3.26