Bump junrar from 4.0.0 to 7.4.1 in /server

Bumps [junrar](https://github.com/junrar/junrar) from 4.0.0 to 7.4.1.
- [Release notes](https://github.com/junrar/junrar/releases)
- [Changelog](https://github.com/junrar/junrar/blob/master/CHANGELOG.md)
- [Commits](https://github.com/junrar/junrar/compare/v4.0.0...v7.4.1)

---
updated-dependencies:
- dependency-name: com.github.junrar:junrar
  dependency-type: direct:production
...

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

server/pom.xml

@@ -116,7 +116,7 @@
         <dependency>
             <groupId>com.github.junrar</groupId>
             <artifactId>junrar</artifactId>
-            <version>4.0.0</version>
+            <version>7.4.1</version>
         </dependency>
         <!-- 解压(7z)-->
         <dependency>