Merge pull request #313 from prometheus/sinjo-prepare-4-2-3

Prepare release 4.2.3

Author: Sinjo

CHANGELOG.md

@@ -4,6 +4,17 @@
 
 _None outstanding_
 
+# 4.2.3 / 2024-06-28
+
+_**Codename:** Now with 25% fewer test dependencies!_
+
+## Small improvements
+
+- [#308](https://github.com/prometheus/client_ruby/pull/308) Declare base64 gem
+    dependency, ready for Ruby 3.4:
+    Ruby 3.4 and above will require an explicit dependency on `base64` as it will no
+    longer be included with CRuby. This gets us ready for that change.
+
 # 4.2.2 / 2023-10-31
 
 _**Codename:** 🎃🦇 Spooky type conversion 🦇🎃_

lib/prometheus/client/version.rb

@@ -2,6 +2,6 @@
 
 module Prometheus
   module Client
-    VERSION = '4.2.2'
+    VERSION = '4.2.3'
   end
 end