build(pom.xml): update jsoup to 1.21.1

Changelog: https://jsoup.org/news/release-1.12.1

No functional changes.

Author: php-coder

pom.xml

@@ -521,7 +521,7 @@
 		<!-- Don't forget to update version in the Url class -->
 		<jquery.version>1.9.1</jquery.version>
 
-		<jsoup.version>1.11.3</jsoup.version>
+		<jsoup.version>1.12.1</jsoup.version>
 
 		<!-- Redefine default value from spring-boot-dependencies (https://github.com/spring-projects/spring-boot/blob/v1.5.20.RELEASE/spring-boot-dependencies/pom.xml) -->
 		<junit.version>4.12</junit.version>