Bump the dev-dependencies group with 2 updates

Bumps the dev-dependencies group with 2 updates: [follow-redirects](https://github.com/follow-redirects/follow-redirects) and [markdown-it-anchor](https://github.com/valeriangalliat/markdown-it-anchor).


Updates `follow-redirects` from 1.15.6 to 1.15.9
- [Release notes](https://github.com/follow-redirects/follow-redirects/releases)
- [Commits](follow-redirects/follow-redirects@v1.15.6...v1.15.9)

Updates `markdown-it-anchor` from 9.1.0 to 9.2.0
- [Release notes](https://github.com/valeriangalliat/markdown-it-anchor/releases)
- [Changelog](https://github.com/valeriangalliat/markdown-it-anchor/blob/master/CHANGELOG.md)
- [Commits](valeriangalliat/markdown-it-anchor@v9.1.0...v9.2.0)

---
updated-dependencies:
- dependency-name: follow-redirects
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: markdown-it-anchor
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

package.json

@@ -16,10 +16,10 @@
         "async": "^3.2.6",
         "eleventy-plugin-seo": "^0.5.2",
         "eleventy-plugin-wordcount": "^1.0.5",
-        "follow-redirects": "^1.15.6",
+        "follow-redirects": "^1.15.9",
         "html-minifier": "^4.0.0",
         "luxon": "^3.5.0",
-        "markdown-it-anchor": "^9.1.0",
+        "markdown-it-anchor": "^9.2.0",
         "markdown-it-emoji": "^3.0.0",
         "markdown-it-external-links": "^0.0.6",
         "prettier": "^3.3.3"