fix: pom.xml to reduce vulnerabilities (#147)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMGOOGLEGUAVA-5710356

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

pom.xml

@@ -26,7 +26,7 @@
         <junit.version>4.13.2</junit.version>
         <unboundid-ldapsdk.version>6.0.6</unboundid-ldapsdk.version>
         <slf4j.version>1.7.36</slf4j.version>
-        <guava.version>31.1-jre</guava.version>
+        <guava.version>32.0.0-jre</guava.version>
         <byte-buddy.version>1.12.17</byte-buddy.version>
         <logback.version>1.2.11</logback.version>
         <bouncycastle.version>1.70</bouncycastle.version>