build(deps): bump com.puppycrawl.tools:checkstyle from 12.1.1 to 12.1.2 (#399)

Bumps [com.puppycrawl.tools:checkstyle](https://github.com/checkstyle/checkstyle) from 12.1.1 to 12.1.2.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](checkstyle/checkstyle@checkstyle-12.1.1...checkstyle-12.1.2)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-version: 12.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ format.version = "1.1"
 
 [versions]
 assertj = "3.27.6"
-checkstyle = "12.1.1"
+checkstyle = "12.1.2"
 edc = "0.15.0-SNAPSHOT"
 # the edc-boot-spi dependency is used only for tests, this fixed version prevents the "chicken-egg" problem
 edc-test = "0.14.1"