Bump to version 2.2.0

CHANGELOG.md

@@ -5,6 +5,12 @@ project adheres to [Semantic Versioning](http://semver.org/).
 Older versions are detailed as [GitHub
 releases](https://github.com/mudge/re2/releases) for this project.
 
+## [2.2.0] - 2023-10-23
+### Changed
+- Upgrade the bundled version of Abseil to 20230802.1.
+- Upgrade MiniPortile to 2.8.5 which significantly reduces the size of the
+  precompiled native gems due to its switch to build Abseil in Release mode.
+
 ## [2.1.3] - 2023-09-23
 ### Fixed
 - Fixed memory leaks reported by
@@ -170,6 +176,7 @@ releases](https://github.com/mudge/re2/releases) for this project.
 ### Fixed
 - In Ruby 1.9.2 and later, re2 will now set the correct encoding for strings
 
+[2.2.0]: https://github.com/mudge/re2/releases/tag/v2.2.0
 [2.1.3]: https://github.com/mudge/re2/releases/tag/v2.1.3
 [2.1.2]: https://github.com/mudge/re2/releases/tag/v2.1.2
 [2.1.1]: https://github.com/mudge/re2/releases/tag/v2.1.1

README.md

@@ -5,7 +5,7 @@ Ruby bindings to [RE2][], a "fast, safe, thread-friendly alternative to
 backtracking regular expression engines like those used in PCRE, Perl, and
 Python".
 
-**Current version:** 2.1.3  
+**Current version:** 2.2.0  
 **Supported Ruby versions:** 2.6, 2.7, 3.0, 3.1, 3.2  
 **Bundled RE2 version:** libre2.11 (2023-09-01)  
 **Supported RE2 versions:** libre2.0 (< 2020-03-02), libre2.1 (2020-03-02), libre2.6 (2020-03-03), libre2.7 (2020-05-01), libre2.8 (2020-07-06), libre2.9 (2020-11-01), libre2.10 (2022-12-01), libre2.11 (2023-07-01)

lib/re2/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module RE2
-  VERSION = "2.1.3"
+  VERSION = "2.2.0"
 end