Bump bourbon from 4.2.7 to 7.2.0

Bumps [bourbon](https://github.com/thoughtbot/bourbon) from 4.2.7 to 7.2.0.
- [Release notes](https://github.com/thoughtbot/bourbon/releases)
- [Changelog](https://github.com/thoughtbot/bourbon/blob/main/CHANGELOG.md)
- [Commits](thoughtbot/bourbon@v4.2.7...v7.2.0)

---
updated-dependencies:
- dependency-name: bourbon
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem 'bourbon', '~> 4.2.1'
+gem 'bourbon', '~> 7.2.0'
 gem 'jekyll-babel', '~>1.1.0'
 gem 'jekyll-paginate', '~>1.1.0'
 gem 'jekyll', '~>3.9.0'

Gemfile.lock

@@ -7,9 +7,8 @@ GEM
     babel-transpiler (0.7.0)
       babel-source (>= 4.0, < 6)
       execjs (~> 2.0)
-    bourbon (4.2.7)
-      sass (~> 3.4)
-      thor (~> 0.19)
+    bourbon (7.2.0)
+      thor (~> 1.0)
     coderay (1.1.3)
     colorator (1.1.0)
     concurrent-ruby (1.1.10)
@@ -119,13 +118,13 @@ GEM
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
-    thor (0.20.3)
+    thor (1.2.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  bourbon (~> 4.2.1)
+  bourbon (~> 7.2.0)
   jekyll (~> 3.9.0)
   jekyll-babel (~> 1.1.0)
   jekyll-github-metadata (~> 2.14)