Changelog for 0.20.0, bump version

Author: robinst

CHANGELOG.md

@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
+## [0.20.0] - 2022-10-20
 ### Fixed
 - GitHub tables: A single pipe (optional whitespace) now ends a table
   instead of crashing or being treated as an empty row, for consistency
@@ -372,7 +372,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...HEAD
+[0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
 [0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
 [0.18.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1

README.md

@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.19.0</version>
+    <version>0.20.0</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.19.0</version>
+    <version>0.20.0</version>
 </dependency>
 ```