Bump dev.zacsweers.kctfork:core from 0.5.1 to 0.7.0

Bumps [dev.zacsweers.kctfork:core](https://github.com/zacsweers/kotlin-compile-testing) from 0.5.1 to 0.7.0.
- [Release notes](https://github.com/zacsweers/kotlin-compile-testing/releases)
- [Changelog](https://github.com/ZacSweers/kotlin-compile-testing/blob/main/CHANGELOG.md)
- [Commits](ZacSweers/kotlin-compile-testing@0.5.1...0.7.0)

---
updated-dependencies:
- dependency-name: dev.zacsweers.kctfork:core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ gradle-maven-publish-plugin = "0.30.0"
 kermit = "2.0.4"
 kotest = "5.9.1"
 kotlin = "2.1.0"
-kotlin-compile-testing-fork = "0.5.1"
+kotlin-compile-testing-fork = "0.7.0"
 kotlinpoet = "2.0.0"
 kotlinx-binary-compatibility-validator = "0.16.3"
 kotlinx-coroutines = "1.9.0"