chore: add openrewrite

Author: AlexProgrammerDE

buildSrc/build.gradle.kts

@@ -11,6 +11,7 @@ dependencies {
     implementation("com.gradleup.shadow:shadow-gradle-plugin:9.2.2")
     implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.4.4")
     implementation("net.ltgt.errorprone:net.ltgt.errorprone.gradle.plugin:4.3.0")
+    implementation("org.openrewrite:plugin:7.19.0")
 }
 
 java {

buildSrc/src/main/kotlin/pc.java-conventions.gradle.kts

@@ -3,13 +3,24 @@ plugins {
     `maven-publish`
     id("net.ltgt.errorprone")
     id("com.github.spotbugs")
+    id("org.openrewrite.rewrite")
+}
+
+rewrite {
+    activeRecipe("org.openrewrite.staticanalysis.CodeCleanup")
+    activeRecipe("org.openrewrite.java.migrate.UpgradeToJava21")
+    activeRecipe("org.openrewrite.java.recipes.RecipeTestingBestPractices")
+    isExportDatatables = true
 }
 
 dependencies {
     compileOnlyApi("org.apiguardian:apiguardian-api:1.1.2")
 
     errorprone("com.google.errorprone:error_prone_core:2.44.0")
     spotbugs("com.github.spotbugs:spotbugs:4.9.8")
+    rewrite("org.openrewrite.recipe:rewrite-static-analysis:2.20.0")
+    rewrite("org.openrewrite.recipe:rewrite-migrate-java:3.20.0")
+    rewrite("org.openrewrite.recipe:rewrite-rewrite:0.14.1")
 
     compileOnly("net.luckperms:api:5.5")