Update jsoup (#1276)

* upgraded jsoup to 1.15.3
* removed deprecated safe html annotation
* added own valid string jsoup validator, disabled hibernate parallel method declaration constraint
* adapted valid string validator
* static method
* return invalid value in case of processing exception

Signed-off-by: Bogdan Bondar <Bogdan.Bondar@bosch.io>

hawkbit-repository/hawkbit-repository-api/pom.xml

@@ -71,6 +71,10 @@
          <groupId>cz.jirutka.rsql</groupId>
          <artifactId>rsql-parser</artifactId>
       </dependency>
+      <dependency>
+         <groupId>org.jsoup</groupId>
+         <artifactId>jsoup</artifactId>
+      </dependency>
 
       <!-- TEST -->
       <dependency>