fix: Return to Gradle 8.14

buildSrc/src/main/kotlin/twomartens.base.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    idea
+    id("idea")
 }
 
 val projectgroup: String = providers.gradleProperty("projectgroup").get()

buildSrc/src/main/kotlin/twomartens.checkstyle.gradle.kts

@@ -1,10 +1,10 @@
 plugins {
-    checkstyle
+    id("checkstyle")
     id("twomartens.java-base")
 }
 
 checkstyle {
-    toolVersion = "10.0"
+    toolVersion = "10.12.4"
     isIgnoreFailures = false
     maxWarnings = 0
 

buildSrc/src/main/kotlin/twomartens.java-base.gradle.kts

@@ -1,8 +1,8 @@
 plugins {
-    java
-    `java-library`
+    id("java")
+    id("java-library")
     id("twomartens.base")
-    application
+    id("application")
 }
 
 val projectSourceCompatibility: String = rootProject.properties["projectSourceCompatibility"].toString()

buildSrc/src/main/kotlin/twomartens.java.gradle.kts

@@ -1,7 +1,7 @@
 import org.gradle.accessors.dm.LibrariesForLibs
 
 plugins {
-    jacoco
+    id("jacoco")
     id("io.freefair.lombok")
     id("twomartens.java-base")
     id("twomartens.checkstyle")