Bump path-to-regexp and express in /frontend

Bumps [path-to-regexp](https://github.com/pillarjs/path-to-regexp) and [express](https://github.com/expressjs/express). These dependencies needed to be updated together.

Updates `path-to-regexp` from 0.1.7 to 0.1.12
- [Release notes](https://github.com/pillarjs/path-to-regexp/releases)
- [Changelog](https://github.com/pillarjs/path-to-regexp/blob/master/History.md)
- [Commits](https://github.com/pillarjs/path-to-regexp/compare/v0.1.7...v0.1.12)

Updates `express` from 4.17.1 to 4.21.2
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.2/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.17.1...4.21.2)

---
updated-dependencies:
- dependency-name: path-to-regexp
  dependency-type: indirect
- dependency-name: express
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -9,7 +9,7 @@
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-json-view": "^1.21.3",
-    "react-scripts": "5.0.1",
+    "react-scripts": "4.0.3",
     "web-vitals": "^1.0.1"
   },
   "proxy": "http://localhost:8080",

pom.xml

@@ -167,6 +167,7 @@
             <groupId>org.apache.rocketmq</groupId>
             <artifactId>rocketmq-namesrv</artifactId>
             <version>${rocketmq.version}</version>
+            <scope>test</scope>
             <exclusions>
                 <exclusion>
                     <groupId>org.slf4j</groupId>