Update version for spotbugs

Update spotbugs version to 4.8.2.

pom.xml

@@ -75,7 +75,7 @@
     <dependency>
       <groupId>com.github.spotbugs</groupId>
       <artifactId>spotbugs-annotations</artifactId>
-      <version>4.8.1</version>
+      <version>4.8.2</version>
       <scope>provided</scope>
     </dependency>