fix(deps): update dependency me.clip:placeholderapi to v2.12.1

Author: renovate[bot]

placeholder/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 
 dependencies {
     compileOnly("org.spigotmc:spigot-api:1.18.1-R0.1-SNAPSHOT")
-    compileOnly("me.clip:placeholderapi:2.12.0")
+    compileOnly("me.clip:placeholderapi:2.12.1")
 
     compileOnly("org.projectlombok:lombok:1.18.42")
     annotationProcessor("org.projectlombok:lombok:1.18.42")