Bump webrick from 1.8.1 to 1.8.2

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

---
updated-dependencies:
- dependency-name: webrick
  dependency-type: direct:production
...

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

Gemfile

@@ -25,4 +25,4 @@ group :development do
 end
 
 
-gem "webrick", "~> 1.7"
+gem "webrick", "~> 1.8"

Gemfile.lock

@@ -87,7 +87,7 @@ GEM
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.4.2)
-    webrick (1.8.1)
+    webrick (1.8.2)
 
 PLATFORMS
   ruby
@@ -102,7 +102,7 @@ DEPENDENCIES
   jekyll-seo-tag
   jekyll-sitemap
   rake
-  webrick (~> 1.7)
+  webrick (~> 1.8)
 
 BUNDLED WITH
    2.3.15