Added 3.5.15 release announcement

Author: deivid-rodriguez

_posts/2024-07-09-3.5.15-released.md

@@ -0,0 +1,47 @@
+---
+title: 3.5.15 Released
+layout: post
+author: David Rodríguez
+author_email: deivid.rodriguez@riseup.net
+---
+
+RubyGems 3.5.15 includes enhancements, bug fixes and documentation.
+
+To update to the latest RubyGems you can run:
+
+    gem update --system
+
+To install RubyGems by hand see the [Download RubyGems][download] page.
+
+
+_## Enhancements:_
+
+* Installs bundler 2.5.15 as a default gem.
+
+_## Bug fixes:_
+
+* Restrict generic `arm` to only match 32-bit arm. Pull request
+  [#7830](https://github.com/rubygems/rubygems/pull/7830) by ntkme
+* Protect creating binstubs with a file lock. Pull request
+  [#7806](https://github.com/rubygems/rubygems/pull/7806) by
+  deivid-rodriguez
+
+_## Documentation:_
+
+* Make it clearer that `add_dependency` is the main way to add
+  non-development dependencies. Pull request
+  [#7800](https://github.com/rubygems/rubygems/pull/7800) by jeromedalbert
+
+
+SHA256 Checksums:
+
+* rubygems-3.5.15.tgz  
+  d086e1c368fd3cbe04ca0f108459d0142d0d57413ae9e1d2ff4b220ebc8e6b87
+* rubygems-3.5.15.zip  
+  b36c1fdef9b3dc37233ff02c441bf1f35f70c2f281bd11bf153e578364e54c52
+* rubygems-update-3.5.15.gem  
+  aa94fc663e445ddaa316e1c1fe2d3cdc6daf036081a05f942b2cafc4e2e1890e
+
+
+[download]: https://rubygems.org/pages/download
+