Prepare release v317 (heroku#1631)

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

Author: heroku-linguist[bot]

CHANGELOG.md

@@ -3,6 +3,11 @@
 ## [Unreleased]
 
 
+## [v317] - 2025-08-07
+
+- JRuby 10.0.2.0 is now available
+
+
 ## [v316] - 2025-08-06
 
 - Explicitly error on end-of-life (EOL) stack `heroku-20` (https://github.com/heroku/heroku-buildpack-ruby/pull/1629)
@@ -1741,7 +1746,8 @@ 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/v316...main
+[unreleased]: https://github.com/heroku/heroku-buildpack-ruby/compare/v317...main
+[v317]: https://github.com/heroku/heroku-buildpack-ruby/compare/v316...v317
 [v316]: https://github.com/heroku/heroku-buildpack-ruby/compare/v315...v316
 [v315]: https://github.com/heroku/heroku-buildpack-ruby/compare/v314...v315
 [v314]: https://github.com/heroku/heroku-buildpack-ruby/compare/v313...v314

lib/language_pack/version.rb

@@ -2,6 +2,6 @@
 
 module LanguagePack
   class LanguagePack::Base
-    BUILDPACK_VERSION = "v316"
+    BUILDPACK_VERSION = "v317"
   end
 end