Bump com.github.ben-manes.caffeine:caffeine from 3.2.3 to 3.2.4 (closes #266)

Bumps [com.github.ben-manes.caffeine:caffeine](https://github.com/ben-manes/caffeine) from 3.2.3 to 3.2.4.
- [Release notes](https://github.com/ben-manes/caffeine/releases)
- [Commits](https://github.com/ben-manes/caffeine/compare/v3.2.3...v3.2.4)

---
updated-dependencies:
- dependency-name: com.github.ben-manes.caffeine:caffeine
  dependency-version: 3.2.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Change-Id: Ie352d79f3bec8c82ff997497ac93cb2a46bec90a
diff --git a/pom.xml b/pom.xml
index 526ae28..8fb0aeb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -167,7 +167,7 @@
     <dependency>
       <groupId>com.github.ben-manes.caffeine</groupId>
       <artifactId>caffeine</artifactId>
-      <version>3.2.3</version>
+      <version>3.2.4</version>
     </dependency>
 
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