bump version to 2.3.0 (#351)

Author: SamSaffron

CHANGELOG

@@ -5,9 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.3.0] - 2025-08-01
 
 - FEATURE: Added puma_busy_threads metric that provides a holistic view of server workload by calculating (active threads - idle threads) + queued requests
+- FEATURE: adding marking_time and sweeping_time to GC metrics
+- DEV: bumped up minimum Ruby version to 3.2
+- FIX: better handling of malformed metrics
+- FIX: get controller labels from controller, not params
+- DEV: expose close on runner instance
+- FEATURE: improved puma metrics
 
 ## [2.2.0] - 2024-12-05
 

lib/prometheus_exporter/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module PrometheusExporter
-  VERSION = "2.2.0"
+  VERSION = "2.3.0"
 end