chore(deps): bump html2rss in the rubygems group (#782)

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


Updates `html2rss` from `f12dff5` to `2522897`
- [Release notes](https://github.com/html2rss/html2rss/releases)
- [Commits](html2rss/html2rss@f12dff5...2522897)

---
updated-dependencies:
- dependency-name: html2rss
  dependency-version: 252289759287d5f0d7251a958d12a72ceebc27d6
  dependency-type: direct:production
  dependency-group: rubygems
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/html2rss/html2rss
-  revision: f12dff5b22f88de98999e9db8b366254b6ef9efd
+  revision: 252289759287d5f0d7251a958d12a72ceebc27d6
   specs:
     html2rss (0.17.0)
       addressable (~> 2.7)