Bump org.springframework.security:spring-security-bom

Bumps [org.springframework.security:spring-security-bom](https://github.com/spring-projects/spring-security) from 7.0.0-RC1 to 7.0.0-SNAPSHOT.
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](https://github.com/spring-projects/spring-security/commits)

---
updated-dependencies:
- dependency-name: org.springframework.security:spring-security-bom
  dependency-version: 7.0.0-SNAPSHOT
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -105,7 +105,7 @@ ext {
     springDataVersion = '2025.1.0-RC1'
     springGraphqlVersion = '2.0.0-RC1'
     springKafkaVersion = '4.0.0-RC1'
-    springSecurityVersion = '7.0.0-RC1'
+    springSecurityVersion = '7.0.0-SNAPSHOT'
     springVersion = '7.0.0-RC1'
     springWsVersion = '5.0.0-RC1'
     testcontainersVersion = '2.0.1'