Added 3.6.6 release announcement

Author: deivid-rodriguez

_posts/2025-03-13-3.6.6-released.md

@@ -0,0 +1,42 @@
+---
+title: 3.6.6 Released
+layout: post
+author: David Rodríguez
+author_email: [email protected]
+---
+
+RubyGems 3.6.6 includes enhancements and bug fixes.
+
+To update to the latest RubyGems you can run:
+
+    gem update --system
+
+To install RubyGems by hand see the [Download RubyGems][download] page.
+
+
+_## Enhancements:_
+
+* Update vendored uri to 1.0.3. Pull request
+  [#8534](https://github.com/rubygems/rubygems/pull/8534) by hsbt
+* Installs bundler 2.6.6 as a default gem.
+
+_## Bug fixes:_
+
+* Fix `gem rdoc` not working with newer versions of rdoc when not
+  installed as default gems. Pull request
+  [#8549](https://github.com/rubygems/rubygems/pull/8549) by
+  deivid-rodriguez
+
+
+SHA256 Checksums:
+
+* rubygems-3.6.6.tgz  
+  b4642fe16598fb93d40d6bcde9f69250debc0f13238cad410a7505c0cf740dad
+* rubygems-3.6.6.zip  
+  d84d4146cb98a4b51b5401bd940192e8bd7804419726d736bc624ce20d83553f
+* rubygems-update-3.6.6.gem  
+  e3004ad1ebcd52481ed5f67029c5b859b5e24a21deb7465b45969c2fc789eeb7
+
+
+[download]: https://rubygems.org/pages/download
+