Bump ktlint from 1.0.0 to 1.2.1

Bumps `ktlint` from 1.0.0 to 1.2.1.

Updates `com.pinterest.ktlint:ktlint-rule-engine` from 1.0.0 to 1.2.1
- [Release notes](https://github.com/pinterest/ktlint/releases)
- [Changelog](https://github.com/pinterest/ktlint/blob/master/CHANGELOG.md)
- [Commits](pinterest/ktlint@1.0.0...1.2.1)

Updates `com.pinterest.ktlint:ktlint-ruleset-standard` from 1.0.0 to 1.2.1
- [Release notes](https://github.com/pinterest/ktlint/releases)
- [Changelog](https://github.com/pinterest/ktlint/blob/master/CHANGELOG.md)
- [Commits](pinterest/ktlint@1.0.0...1.2.1)

---
updated-dependencies:
- dependency-name: com.pinterest.ktlint:ktlint-rule-engine
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.pinterest.ktlint:ktlint-ruleset-standard
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -19,7 +19,7 @@ kotlinLogging = "5.1.0"
 kotlinPoet = "1.14.2"
 kotlinx-coroutines = "1.6.0"
 kotlinx-serialization = "1.6.3"
-ktlint = "1.0.0"
+ktlint = "1.2.1"
 protobuf-java = "3.21.7"
 protobuf-js = "7.2.6"
 protobufGradlePlugin = "0.9.4"