html-proofer is now installed ad-hoc in CI exactly like bundler-audit — no Gemfile entry, no lock file churn, no dependency conflicts

Author: lukefretwell

.github/workflows/jekyll.yml

@@ -37,7 +37,7 @@ jobs:
         env:
           JEKYLL_ENV: production
       - name: Check HTML
-        run: bundle exec htmlproofer _site --disable-external
+        run: gem install html-proofer && htmlproofer _site --disable-external
       - name: Upload artifact
         uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
 

Gemfile

@@ -19,6 +19,5 @@ gem "bigdecimal"
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
 
-gem "html-proofer", "~> 5.0"
 gem "kramdown", "~> 2.5"
 gem "webrick", "~> 1.7"