Remove specific bundler version from Gemfile and GitHub Actions workflow to streamline dependency installation

.github/workflows/deploy.yml

@@ -29,7 +29,6 @@ jobs:
           
       - name: Install dependencies
         run: |
-          gem install bundler -v '~> 2.3.0'
           bundle install
           
       - name: Setup Pages

Gemfile

@@ -6,9 +6,6 @@ gem 'jekyll-feed', '~> 0.12'
 gem 'jekyll-sitemap'
 gem 'jekyll-seo-tag'
 
-# Use compatible bundler version
-gem 'bundler', '~> 2.3.0'
-
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
 # and associated library.
 platforms :mingw, :x64_mingw, :mswin, :jruby do