Merge pull request #864 from rabbitmq/dependabot/maven/spotbugs.version-4.9.8

Bump spotbugs.version from 4.9.7 to 4.9.8

Author: acogoluegnes

pom.xml

@@ -95,7 +95,7 @@
     <spotless.version>3.0.0</spotless.version>
     <google-java-format.version>1.30.0</google-java-format.version>
     <spotbugs-maven-plugin.version>4.9.7.0</spotbugs-maven-plugin.version>
-    <spotbugs.version>4.9.7</spotbugs.version>
+    <spotbugs.version>4.9.8</spotbugs.version>
     <!-- for documentation -->
     <broker.version>4.1</broker.version>
     <!-- to sign artifacts when releasing -->