Merge pull request #1032 from FasterXML/2.20-readme

Update README

Author: k163377

README.md

@@ -12,24 +12,23 @@ With this module, single constructor classes can be used automatically,
 and those with secondary constructors or static factories are also supported.
 
 # Status
-
+* release `2.20.0` (for Jackson `2.20.x`) [![GitHub Actions build](https://github.com/FasterXML/jackson-module-kotlin/actions/workflows/main.yml/badge.svg?branch=2.20)](https://github.com/FasterXML/jackson-module-kotlin/actions?query=branch%3A2.20)
 * release `2.19.2` (for Jackson `2.19.x`) [![GitHub Actions build](https://github.com/FasterXML/jackson-module-kotlin/actions/workflows/main.yml/badge.svg?branch=2.19)](https://github.com/FasterXML/jackson-module-kotlin/actions?query=branch%3A2.19)
 * release `2.18.4` (for Jackson `2.18.x`) [![GitHub Actions build](https://github.com/FasterXML/jackson-module-kotlin/actions/workflows/main.yml/badge.svg?branch=2.18)](https://github.com/FasterXML/jackson-module-kotlin/actions?query=branch%3A2.18)
-* release `2.17.3` (for Jackson `2.17.x`) [![GitHub Actions build](https://github.com/FasterXML/jackson-module-kotlin/actions/workflows/main.yml/badge.svg?branch=2.17)](https://github.com/FasterXML/jackson-module-kotlin/actions?query=branch%3A2.17)
 
 Releases require that you have included Kotlin stdlib and reflect libraries already.
 
 Gradle:
 ```
-implementation "com.fasterxml.jackson.module:jackson-module-kotlin:2.19.+"
+implementation "com.fasterxml.jackson.module:jackson-module-kotlin:2.20.+"
 ```
 
 Maven:
 ```xml
 <dependency>
     <groupId>com.fasterxml.jackson.module</groupId>
     <artifactId>jackson-module-kotlin</artifactId>
-    <version>2.19.2</version>
+    <version>2.20.0</version>
 </dependency>
 ```
 
@@ -191,7 +190,7 @@ when(root){
 # Configuration
 
 The Kotlin module may be given a few configuration parameters at construction time;
-see the [inline documentation](https://github.com/FasterXML/jackson-module-kotlin/blob/2.19/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinModule.kt)
+see the [inline documentation](https://github.com/FasterXML/jackson-module-kotlin/blob/2.20/src/main/kotlin/com/fasterxml/jackson/module/kotlin/KotlinModule.kt)
 for details on what options are available and what they do.
 
 ```kotlin
@@ -254,7 +253,7 @@ See the [main Jackson contribution guidelines](https://github.com/FasterXML/jack
 
 If you are going to write code, choose the appropriate base branch:
 
-- `2.19` for bugfixes against the current stable version
+- `2.20` for bugfixes against the current stable version
 - `2.x` for additive functionality & features or [minor](https://semver.org), backwards compatible changes to existing behavior to be included in the next minor version release
 - `3.x` for significant changes to existing behavior, which will be part of Jackson 3.0