Bump io.lettuce:lettuce-core from 6.8.0.RELEASE to 6.8.1.RELEASE (#10391)

Bumps [io.lettuce:lettuce-core](https://github.com/redis/lettuce) from 6.8.0.RELEASE to 6.8.1.RELEASE.
- [Release notes](https://github.com/redis/lettuce/releases)
- [Changelog](https://github.com/redis/lettuce/blob/6.8.1.RELEASE/RELEASE-NOTES.md)
- [Commits](redis/lettuce@6.8.0.RELEASE...6.8.1.RELEASE)

---
updated-dependencies:
- dependency-name: io.lettuce:lettuce-core
  dependency-version: 6.8.1.RELEASE
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -81,7 +81,7 @@ ext {
     junitJupiterVersion = '5.13.4'
     kotlinCoroutinesVersion = '1.10.2'
     kryoVersion = '5.6.2'
-    lettuceVersion = '6.8.0.RELEASE'
+    lettuceVersion = '6.8.1.RELEASE'
     log4jVersion = '2.25.1'
     mailVersion = '2.0.4'
     micrometerTracingVersion = '1.6.0-M2'