Remove references to validateTaskProperties

The task is now called `validatePlugins`.

buildSrc/src/main/kotlin/plugins/DexMethodCount.kt

@@ -41,7 +41,7 @@ open class DexMethodCount : DefaultTask() {
         dependsOn(jar)
     }
 
-    @Internal // plain output properties are not supported, mark as internal to suppress warning from validateTaskProperties
+    @Internal // plain output properties are not supported, mark as internal to suppress warning from validatePlugins
     lateinit var counts: Counts
 
     @get:OutputFile

libraries/tools/kotlin-gradle-plugin-integration-tests/build.gradle.kts

@@ -156,7 +156,7 @@ tasks.withType<KotlinCompile> {
 tasks.withType<Test> {
     onlyIf { !project.hasProperty("noTest") }
 
-    dependsOn(":kotlin-gradle-plugin:validateTaskProperties")
+    dependsOn(":kotlin-gradle-plugin:validatePlugins")
     dependsOnKotlinGradlePluginInstall()
 
     executable = "${rootProject.extra["JDK_18"]!!}/bin/java"

libraries/tools/kotlin-gradle-plugin/build.gradle.kts

@@ -152,7 +152,7 @@ tasks {
     }
 
     named("install") {
-        dependsOn(named("validateTaskProperties"))
+        dependsOn(named("validatePlugins"))
     }
 
     named<DokkaTask>("dokka") {
@@ -163,7 +163,7 @@ tasks {
 
 projectTest {
     executable = "${rootProject.extra["JDK_18"]!!}/bin/java"
-    dependsOn(tasks.named("validateTaskProperties"))
+    dependsOn(tasks.named("validatePlugins"))
 
     workingDir = rootDir
 }