dependency: Update dependency me.clip:placeholderapi to v2.12.2 (#109)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

buildSrc/src/main/kotlin/Versions.kt

@@ -15,7 +15,7 @@ object Versions {
 
     const val VAULT_API = "1.7.1"
 
-    const val PLACEHOLDER_API = "2.11.7"
+    const val PLACEHOLDER_API = "2.12.2"
 
     const val MARIA_DB = "3.5.7"
     const val POSTGRESQL = "42.7.10"