Prepare release v310 (heroku#1605)

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>

Author: heroku-linguist[bot]

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+
+## [v310] - 2025-05-27
+
 - Introduce internal metrics for deriving Ruby version directly from the `Gemfile.lock` to avoid needing to call `bundle platform --ruby` in the future. No change in behavior is expected. (https://github.com/heroku/heroku-buildpack-ruby/pull/1603)
 
 ## [v309] - 2025-05-19
@@ -1708,7 +1711,8 @@ Bugfixes:
 * Change gem detection to use lockfile parser
 * use `$RACK_ENV` when thin is detected for rack apps
 
-[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v309...main
+[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v310...main
+[v310]: https://github.com/heroku/heroku-buildpack-ruby/compare/v309...v310
 [v309]: https://github.com/heroku/heroku-buildpack-ruby/compare/v308...v309
 [v308]: https://github.com/heroku/heroku-buildpack-ruby/compare/v307...v308
 [v307]: https://github.com/heroku/heroku-buildpack-ruby/compare/v306...v307

lib/language_pack/version.rb

@@ -2,6 +2,6 @@
 
 module LanguagePack
   class LanguagePack::Base
-    BUILDPACK_VERSION = "v309"
+    BUILDPACK_VERSION = "v310"
   end
 end