[improve][build] Upgrade SpotBugs to a version that supports JDK25 (apache#24768)

(cherry picked from commit 8cdba30)

Author: lhotari

pom.xml

@@ -355,8 +355,8 @@ flexible messaging model and an intuitive client API.</description>
     <wagon-ssh-external.version>3.5.3</wagon-ssh-external.version>
     <os-maven-plugin.version>1.7.0</os-maven-plugin.version>
     <jacoco-maven-plugin.version>0.8.13</jacoco-maven-plugin.version>
-    <spotbugs-maven-plugin.version>4.9.3.0</spotbugs-maven-plugin.version>
-    <spotbugs.version>4.9.3</spotbugs.version>
+    <spotbugs-maven-plugin.version>4.9.6.0</spotbugs-maven-plugin.version>
+    <spotbugs.version>4.9.6</spotbugs.version>
     <errorprone.version>2.38.0</errorprone.version>
     <errorprone-slf4j.version>0.1.28</errorprone-slf4j.version>
     <j2objc-annotations.version>1.3</j2objc-annotations.version>