deps(auth): Update commons-codec to v1.18.0 (#13598)

Author: lqiu96

google-auth-library-java/pom.xml

@@ -87,6 +87,7 @@
     <project.slf4j.version>2.0.17</project.slf4j.version>
     <project.gson.version>2.13.2</project.gson.version>
     <project.api-common.version>2.65.0-SNAPSHOT</project.api-common.version><!-- {x-version-update:api-common:current} -->
+    <project.commons-codec.version>1.18.0</project.commons-codec.version>
     <surefire.version>3.5.2</surefire.version>
     <clirr.skip>true</clirr.skip>
   </properties>
@@ -183,6 +184,11 @@
         <artifactId>error_prone_annotations</artifactId>
         <version>${project.error-prone.version}</version>
       </dependency>
+      <dependency>
+        <groupId>commons-codec</groupId>
+        <artifactId>commons-codec</artifactId>
+        <version>${project.commons-codec.version}</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>