Bump jsoup from 1.12.2 to 1.13.1 (JabRef#6052)

Bumps [jsoup](https://github.com/jhy/jsoup) from 1.12.2 to 1.13.1.
- [Release notes](https://github.com/jhy/jsoup/releases)
- [Changelog](https://github.com/jhy/jsoup/blob/master/CHANGES)
- [Commits](jhy/jsoup@1.12.2...jsoup-1.13.1)

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

build.gradle

@@ -170,7 +170,7 @@ dependencies {
     implementation 'com.jfoenix:jfoenix:9.0.9'
     implementation 'org.controlsfx:controlsfx:11.0.1'
 
-    implementation 'org.jsoup:jsoup:1.12.2'
+    implementation 'org.jsoup:jsoup:1.13.1'
     implementation 'com.konghq:unirest-java:3.6.00'
 
     implementation 'org.slf4j:slf4j-api:2.0.0-alpha1'