Bump org.webjars:redoc from 2.1.5 to 2.3.0 (#15102)

Bumps [org.webjars:redoc](https://github.com/webjars/redoc) from 2.1.5 to 2.3.0.
- [Commits](webjars/redoc@redoc-2.1.5...redoc-2.3.0)

---
updated-dependencies:
- dependency-name: org.webjars:redoc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dubbo-plugin/dubbo-rest-openapi/pom.xml

@@ -54,7 +54,7 @@
     <dependency>
       <groupId>org.webjars</groupId>
       <artifactId>redoc</artifactId>
-      <version>2.1.5</version>
+      <version>2.3.0</version>
     </dependency>
     <dependency>
       <groupId>org.webjars</groupId>