Update bundler to 2.3+ (as used in the website)

PeterJCLaw · PeterJCLaw · commit 63c762ea983c · 2024-08-18T18:53:54.000+01:00
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -108,4 +108,4 @@ DEPENDENCIES
   webrick (~> 1.7)
 
 BUNDLED WITH
-   2.1.4
+   2.3.6
diff --git a/README.md b/README.md
@@ -14,7 +14,7 @@ Once setup, the site will be accessible on http://localhost:4000/docs/
 
 1. [Install Ruby][install-ruby]
 
-2. Install Bundler (2.x) and Rake
+2. Install Bundler (2.3 or above) and Rake
 
     ``` shell
     $ gem install bundler rake
