Bump caffeine from 2.9.0 to 2.9.1

Bumps [caffeine](https://github.com/ben-manes/caffeine) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/ben-manes/caffeine/releases)
- [Commits](ben-manes/caffeine@v2.9.0...v2.9.1)

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

Author: dependabot[bot]

pom.xml

@@ -42,7 +42,7 @@
     <javax.annotation.version>1.3.2</javax.annotation.version>
     <snakeyaml.version>1.28</snakeyaml.version>
     <slf4j.version>1.7.30</slf4j.version>
-    <caffeine.version>2.9.0</caffeine.version>
+    <caffeine.version>2.9.1</caffeine.version>
     <protobuf.version>3.15.8</protobuf.version>
     <junit.version>4.13</junit.version>
     <bucket4j.version>6.2.0</bucket4j.version>