chore(deps): bump html2rss from 0.14.0 to 0.15.0 in the rubygems group

Bumps the rubygems group with 1 update: [html2rss](https://github.com/gildesmarais/html2rss).


Updates `html2rss` from 0.14.0 to 0.15.0
- [Release notes](https://github.com/gildesmarais/html2rss/releases)
- [Commits](html2rss/html2rss@v0.14.0...v0.15.0)

---
updated-dependencies:
- dependency-name: html2rss
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rubygems
...

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

Gemfile.lock

@@ -32,7 +32,7 @@ GEM
     faraday-net_http (3.3.0)
       net-http
     hashdiff (1.1.1)
-    html2rss (0.14.0)
+    html2rss (0.15.0)
       addressable (~> 2.7)
       faraday (> 2.0.1, < 3.0)
       faraday-follow_redirects
@@ -47,7 +47,7 @@ GEM
       thor
       tzinfo
       zeitwerk
-    json (2.7.4)
+    json (2.7.5)
     kramdown (2.4.0)
       rexml
     language_server-protocol (3.17.0.3)