chore(deps): bump org.jlleitschuh.gradle:ktlint-gradle

Bumps org.jlleitschuh.gradle:ktlint-gradle from 11.3.2 to 12.1.1.

---
updated-dependencies:
- dependency-name: org.jlleitschuh.gradle:ktlint-gradle
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -1,17 +1,6 @@
 // root-level build.gradle
-buildscript {
-    repositories {
-        maven {
-            url "https://plugins.gradle.org/m2/"
-        }
-    }
-    dependencies {
-        classpath "org.jlleitschuh.gradle:ktlint-gradle:11.3.2"
-    }
-}
-
 plugins {
-    id("org.jlleitschuh.gradle.ktlint-idea") version "11.6.1"
+id("org.jlleitschuh.gradle.ktlint") version "12.1.1"
     id 'org.jetbrains.kotlin.jvm' version '1.9.10'
     id 'com.github.autostyle' version '3.2'
     id 'application'