fix(deps): update dependency io.github.miniplaceholders:miniplaceholders-api to v3 (#206)

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

Author: renovate[bot]

PistonChat/build.gradle.kts

@@ -7,7 +7,7 @@ description = "Advanced chat plugin for survival/anarchy servers."
 
 dependencies {
     compileOnly("com.google.code.findbugs:jsr305:3.0.2")
-    compileOnly("io.github.miniplaceholders:miniplaceholders-api:2.3.0")
+    compileOnly("io.github.miniplaceholders:miniplaceholders-api:3.1.0")
     compileOnly("org.spigotmc:spigot-api:1.12.2-R0.1-SNAPSHOT")
 
     implementation("net.pistonmaster:PistonUtils:1.4.0")