[tomee-10.x]: Bump org.ehcache:ehcache from 3.11.1 to 3.12.0

Bumps [org.ehcache:ehcache](https://github.com/ehcache/ehcache3) from 3.11.1 to 3.12.0.
- [Release notes](https://github.com/ehcache/ehcache3/releases)
- [Commits](ehcache/ehcache3@v3.11.1...v3.12.0)

---
updated-dependencies:
- dependency-name: org.ehcache:ehcache
  dependency-version: 3.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -138,7 +138,7 @@
     <version.xbean>4.30</version.xbean>
     <version.groovy>2.4.21</version.groovy>
     <version.jetty>11.0.20</version.jetty>
-    <version.ehcache>3.11.1</version.ehcache>
+    <version.ehcache>3.12.0</version.ehcache>
     <junit.version>4.13.2</junit.version>
     <junit.jupiter.version>5.12.0</junit.jupiter.version>
     <version.osgi.framework>4.2.0</version.osgi.framework>