deps: update dependency commons-codec:commons-codec to v1.15 (#399)

Author: renovate-bot

pubsublite-spark-sql-streaming/pom.xml

@@ -104,7 +104,7 @@
       <dependency>
         <groupId>commons-codec</groupId>
         <artifactId>commons-codec</artifactId>
-        <version>1.10</version>
+        <version>1.15</version>
       </dependency>
     </dependencies>
   </dependencyManagement>