chore(deps): update dependency com.github.siom79.japicmp:japicmp-maven-plugin to v0.26.3 (#2521)

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| `0.26.2` → `0.26.3` |
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pom.xml

@@ -176,7 +176,7 @@
         <plugin>
           <groupId>com.github.siom79.japicmp</groupId>
           <artifactId>japicmp-maven-plugin</artifactId>
-          <version>0.26.2</version>
+          <version>0.26.3</version>
         </plugin>
       </plugins>
     </pluginManagement>