Bump com.jayway.jsonpath:json-path from 2.7.0 to 2.8.0 in /app

Bumps [com.jayway.jsonpath:json-path](https://github.com/jayway/JsonPath) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/jayway/JsonPath/releases)
- [Changelog](https://github.com/json-path/JsonPath/blob/master/changelog.md)
- [Commits](https://github.com/jayway/JsonPath/compare/json-path-2.7.0...json-path-2.8.0)

---
updated-dependencies:
- dependency-name: com.jayway.jsonpath:json-path
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

app/build.gradle

@@ -197,7 +197,7 @@ dependencies {
 
     //规则相关
     implementation('org.jsoup:jsoup:1.15.4')
-    implementation('com.jayway.jsonpath:json-path:2.7.0')
+    implementation('com.jayway.jsonpath:json-path:2.8.0')
     implementation('cn.wanghaomiao:JsoupXpath:2.5.3')
     implementation(project(path: ':book'))