Update dependency com.github.ben-manes.caffeine:caffeine to v3.2.1

Author: renovate[bot]

prometheus-metrics-instrumentation-caffeine/pom.xml

@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.github.ben-manes.caffeine</groupId>
       <artifactId>caffeine</artifactId>
-      <version>3.2.0</version>
+      <version>3.2.1</version>
       <scope>provided</scope>
     </dependency>