chore(deps): update plugin com.palantir.consistent-versions to v3.15.0

Author: renovate[bot]

java/build.gradle.kts

@@ -5,7 +5,7 @@ import net.ltgt.gradle.errorprone.errorprone
 
 plugins {
     id("com.diffplug.spotless") version "8.4.0"
-    id("com.palantir.consistent-versions") version "3.7.0"
+    id("com.palantir.consistent-versions") version "3.15.0"
     id("com.palantir.git-version") version "5.0.0"
     id("net.ltgt.errorprone") version "5.1.0" apply false
     id("com.google.protobuf") version "0.9.6" apply false