Bump springSecurityVersion from 5.8.8 to 5.8.9

Bumps `springSecurityVersion` from 5.8.8 to 5.8.9.

Updates `org.springframework.security:spring-security-web` from 5.8.8 to 5.8.9
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](spring-projects/spring-security@5.8.8...5.8.9)

Updates `org.springframework.security:spring-security-oauth2-client` from 5.8.8 to 5.8.9
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](spring-projects/spring-security@5.8.8...5.8.9)

Updates `org.springframework.security:spring-security-oauth2-jose` from 5.8.8 to 5.8.9
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](spring-projects/spring-security@5.8.8...5.8.9)

Updates `org.springframework.security:spring-security-config` from 5.8.8 to 5.8.9
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](spring-projects/spring-security@5.8.8...5.8.9)

---
updated-dependencies:
- dependency-name: org.springframework.security:spring-security-web
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.security:spring-security-oauth2-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.security:spring-security-oauth2-jose
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework.security:spring-security-config
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -24,7 +24,7 @@ sourceCompatibility = '1.8'
 
 ext {
 	springVersion = '2.7.18'
-	springSecurityVersion = '5.8.8'
+	springSecurityVersion = '5.8.9'
 	cfEnvSsoVersion = '2.5.0'
 }