Bump com.google.guava:guava from 27.0-jre to 32.0.0-jre in /geowebcache

Bumps [com.google.guava:guava](https://github.com/google/guava) from 27.0-jre to 32.0.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-type: direct:production
...

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

geowebcache/pom.xml

@@ -63,7 +63,7 @@
     <commons-codec.version>1.10</commons-codec.version>
     <commons-text.version>1.4</commons-text.version>
     <commons-fileupload.version>1.5</commons-fileupload.version>
-    <guava.version>27.0-jre</guava.version>
+    <guava.version>32.0.0-jre</guava.version>
     <jsr305.version>3.0.1</jsr305.version>
     <log4j.version>2.17.2</log4j.version>
     <h2.version>1.1.119</h2.version>