Bump html-pipeline from 2.14.3 to 3.2.4

Bumps [html-pipeline](https://github.com/gjtorikian/html-pipeline) from 2.14.3 to 3.2.4.
- [Release notes](https://github.com/gjtorikian/html-pipeline/releases)
- [Changelog](https://github.com/gjtorikian/html-pipeline/blob/main/CHANGELOG.md)
- [Commits](gjtorikian/html-pipeline@v2.14.3...v3.2.4)

---
updated-dependencies:
- dependency-name: html-pipeline
  dependency-version: 3.2.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Gemfile

@@ -14,7 +14,7 @@ gem "middleman"
 gem "middleman-search_engine_sitemap"
 
 gem "git"
-gem "html-pipeline", "~>2.0" # TODO: remove direct dependency + constraint for html-pipeline once govuk_tech_docs is fixed.
+gem "html-pipeline", "~>3.2" # TODO: remove direct dependency + constraint for html-pipeline once govuk_tech_docs is fixed.
 gem "mdl"
 
 gem "govuk_publishing_components"

Gemfile.lock

@@ -236,9 +236,9 @@ GEM
       concurrent-ruby (~> 1.0)
     hashdiff (1.2.1)
     hashie (3.6.0)
-    html-pipeline (2.14.3)
-      activesupport (>= 2)
-      nokogiri (>= 1.4)
+    html-pipeline (3.2.4)
+      selma (~> 0.4)
+      zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
@@ -677,6 +677,10 @@ GEM
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)
+    selma (0.4.15-aarch64-linux)
+    selma (0.4.15-arm64-darwin)
+    selma (0.4.15-x86_64-darwin)
+    selma (0.4.15-x86_64-linux)
     sentry-rails (5.28.1)
       railties (>= 5.0)
       sentry-ruby (~> 5.28.1)
@@ -749,7 +753,7 @@ DEPENDENCIES
   govuk_publishing_components
   govuk_schemas
   govuk_tech_docs
-  html-pipeline (~> 2.0)
+  html-pipeline (~> 3.2)
   mdl
   middleman
   middleman-search_engine_sitemap