Bump io.kotest:kotest-bom from 6.1.9 to 6.1.11

Bumps [io.kotest:kotest-bom](https://github.com/kotest/kotest) from 6.1.9 to 6.1.11.
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@6.1.9...6.1.11)

---
updated-dependencies:
- dependency-name: io.kotest:kotest-bom
  dependency-version: 6.1.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ nodeGradle = "7.0.2"
 plantUml = "1.2026.2"
 pebble = "3.2.4"
 mockito = "6.3.0"
-kotest = "6.1.9"
+kotest = "6.1.11"
 junit5 = "5.14.3"
 junit6 = "6.0.3"
 assertJ = "3.27.7"