deps: bump hibernate.version in /google-cloud-spanner-hibernate-dialect

Bumps `hibernate.version` from 6.3.1.Final to 6.5.1.Final.

Updates `org.hibernate.orm:hibernate-core` from 6.3.1.Final to 6.5.1.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/6.5.1/changelog.txt)
- [Commits](hibernate/hibernate-orm@6.3.1...6.5.1)

Updates `org.hibernate.orm:hibernate-ant` from 6.3.1.Final to 6.5.1.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/6.5.1/changelog.txt)
- [Commits](hibernate/hibernate-orm@6.3.1...6.5.1)

Updates `org.hibernate.orm:hibernate-jcache` from 6.3.1.Final to 6.5.1.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/6.5.1/changelog.txt)
- [Commits](hibernate/hibernate-orm@6.3.1...6.5.1)

Updates `org.hibernate.orm:hibernate-testing` from 6.3.1.Final to 6.5.1.Final
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/6.5.1/changelog.txt)
- [Commits](hibernate/hibernate-orm@6.3.1...6.5.1)

---
updated-dependencies:
- dependency-name: org.hibernate.orm:hibernate-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.hibernate.orm:hibernate-ant
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.hibernate.orm:hibernate-jcache
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.hibernate.orm:hibernate-testing
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -13,7 +13,7 @@
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
     <java.version>11</java.version>
-    <hibernate.version>6.3.1.Final</hibernate.version>
+    <hibernate.version>6.5.1.Final</hibernate.version>
     <spanner-jdbc-driver.version>2.18.0</spanner-jdbc-driver.version>
     <log4j.version>2.23.1</log4j.version>