Bump org.hibernate:hibernate-core in /app-backend

Bumps [org.hibernate:hibernate-core](https://github.com/hibernate/hibernate-orm) from 6.6.6.Final to 6.6.7.Final.
- [Release notes](https://github.com/hibernate/hibernate-orm/releases)
- [Changelog](https://github.com/hibernate/hibernate-orm/blob/6.6.7/changelog.txt)
- [Commits](hibernate/hibernate-orm@6.6.6...6.6.7)

---
updated-dependencies:
- dependency-name: org.hibernate:hibernate-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

app-backend/build.gradle

@@ -20,7 +20,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.xerial:sqlite-jdbc:3.49.0.0'
-	implementation 'org.hibernate:hibernate-core:6.6.6.Final'
+	implementation 'org.hibernate:hibernate-core:6.6.7.Final'
 	implementation 'org.hibernate.orm:hibernate-community-dialects'
 
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'