Bump org.ehcache:ehcache from 3.10.8 to 3.10.9 (#6697)

Bumps [org.ehcache:ehcache](https://github.com/ehcache/ehcache3) from 3.10.8 to 3.10.9.
- [Release notes](https://github.com/ehcache/ehcache3/releases)
- [Commits](ehcache/ehcache3@v3.10.8...v3.10.9)

---
updated-dependencies:
- dependency-name: org.ehcache:ehcache
  dependency-version: 3.10.9
  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

@@ -14,7 +14,7 @@ dagger = "2.52"
 dropwizard-metrics = "4.2.36"
 dynatrace-utils = "2.2.1"
 ehcache2 = "2.10.9.2"
-ehcache3 = "3.10.8"
+ehcache3 = "3.10.9"
 gmetric4j = "1.0.10"
 google-cloud-monitoring = "3.54.0"
 grpc = "1.58.0"