Bump com.ncorti.ktfmt.gradle from 0.8.0 to 0.12.0 in /lib/kotlin

Bumps com.ncorti.ktfmt.gradle from 0.8.0 to 0.12.0.

---
updated-dependencies:
- dependency-name: com.ncorti.ktfmt.gradle
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/lib/kotlin/settings.gradle.kts b/lib/kotlin/settings.gradle.kts
index 99ceaf0..342fc3b 100644
--- a/lib/kotlin/settings.gradle.kts
+++ b/lib/kotlin/settings.gradle.kts
@@ -19,7 +19,7 @@
 pluginManagement {
     plugins {
         kotlin("jvm") version "1.8.21"
-        id("com.ncorti.ktfmt.gradle") version "0.8.0"
+        id("com.ncorti.ktfmt.gradle") version "0.12.0"
     }
 }