Upgrade atlassian-webdriver-core to 3.3.3

Author: yhrytsai-atl

confluence-slack-integration/confluence-slack-server-integration-plugin/pom.xml

@@ -243,6 +243,12 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>com.atlassian.selenium</groupId>
+            <artifactId>atlassian-webdriver-core</artifactId>
+            <version>3.3.3</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>commons-lang</groupId>
             <artifactId>commons-lang</artifactId>