build: Java 11 -> 17, JavaFX 17 -> 18-ea+12 (#527)

Author: AlmasB

pom.xml

@@ -16,11 +16,11 @@
     </modules>
 
     <properties>
-        <java.version>11</java.version>
+        <java.version>17</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.release>${java.version}</maven.compiler.release>
-        <javafx.version>17</javafx.version>
+        <javafx.version>18-ea+12</javafx.version>
         <aether.version>1.1.0</aether.version>
         <charm.glisten.version>6.1.0</charm.glisten.version>
         <gluon.attach.version>4.0.13</gluon.attach.version>