8340003: Bump minimum JDK version for JavaFX to JDK 22

Reviewed-by: angorya, arapte

Author: kevinrushforth

CONTRIBUTING.md

@@ -234,7 +234,7 @@ New code should be formatted consistently in accordance with the above guideline
 
 ### Building and testing
 
-JDK 21 (at a minimum) is required to build OpenJFX. You must have the JDK
+JDK 22 (at a minimum) is required to build OpenJFX. You must have the JDK
 installed on your system
 with the environment variable `JAVA_HOME` referencing the path to Java home for
 your JDK installation. By default, tests use the same runtime as `JAVA_HOME`.

build.properties

@@ -80,9 +80,9 @@ javadoc.top=<div style="padding: 6px; text-align: center; font-size: 80%;">This
 # JDK
 jfx.build.jdk.version=23
 jfx.build.jdk.buildnum=37
-jfx.build.jdk.version.min=21
-jfx.build.jdk.buildnum.min=35
-jfx.jdk.target.version=21
+jfx.build.jdk.version.min=22
+jfx.build.jdk.buildnum.min=36
+jfx.jdk.target.version=22
 
 # The jfx.gradle.version property defines the version of gradle that is
 # used in the build. It must match the version number in