Bump com.github.ben-manes.caffeine:caffeine from 3.1.2 to 3.1.8

Bumps [com.github.ben-manes.caffeine:caffeine](https://github.com/ben-manes/caffeine) from 3.1.2 to 3.1.8.
- [Release notes](https://github.com/ben-manes/caffeine/releases)
- [Commits](https://github.com/ben-manes/caffeine/compare/v3.1.2...v3.1.8)

---
updated-dependencies:
- dependency-name: com.github.ben-manes.caffeine:caffeine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -24,7 +24,7 @@ ext {
 
 dependencies {
 	implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-server'
-	implementation 'com.github.ben-manes.caffeine:caffeine:3.1.2'
+	implementation 'com.github.ben-manes.caffeine:caffeine:3.1.8'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'