Merge pull request #329 from rabbitmq/dependabot/maven/spotbugs.version-4.9.7

Bump spotbugs.version from 4.9.6 to 4.9.7

Author: acogoluegnes

pom.xml

@@ -78,7 +78,7 @@
     <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>4.9.6</spotbugs.version>
+    <spotbugs.version>4.9.7</spotbugs.version>
     <!-- for documentation -->
     <broker.version>4.0</broker.version>
     <!-- to sign artifacts when releasing -->