Add support for 1.20.2 (#2431)

* Update to 1.20.2

* Update paperweight

---------

Co-authored-by: Pierre Maurice Schwang <mail@pschwang.eu>

worldedit-bukkit/adapters/adapter-1_20_2/build.gradle.kts

@@ -0,0 +1,17 @@
+import io.papermc.paperweight.userdev.PaperweightUserDependenciesExtension
+
+plugins {
+    java
+}
+
+applyPaperweightAdapterConfiguration()
+
+repositories {
+    gradlePluginPortal()
+}
+
+dependencies {
+    // https://repo.papermc.io/service/rest/repository/browse/maven-public/io/papermc/paper/dev-bundle/
+    the<PaperweightUserDependenciesExtension>().paperDevBundle("1.20.2-R0.1-20230929.031919-14")
+    compileOnly(libs.paperlib)
+}