Bump org.jlleitschuh.gradle:ktlint-gradle from 8.2.0 to 12.1.2

Bumps org.jlleitschuh.gradle:ktlint-gradle from 8.2.0 to 12.1.2.

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -34,7 +34,7 @@ buildscript {
 
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
-        classpath "org.jlleitschuh.gradle:ktlint-gradle:8.2.0"
+        classpath "org.jlleitschuh.gradle:ktlint-gradle:12.1.2"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlinVersion"
     }
 }