Include IAM policy builder in test coverage reporting (#4202)

Author: millems

test/tests-coverage-reporting/pom.xml

@@ -167,6 +167,11 @@
             <groupId>software.amazon.awssdk</groupId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <artifactId>iam-policy-builder</artifactId>
+            <groupId>software.amazon.awssdk</groupId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
 
         <!-- Need to explicitly add service modules to aggregate the tests coverage
         and a few services that we know with more tests should be sufficient