Update dependency org.jsoup:jsoup to v1.21.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ jacoco = "0.8.8"
 javaPoet = "1.13.0"
 jackson = "2.19.1"
 jqwik = "1.9.2"
-jsoup = "1.20.1"
+jsoup = "1.21.1"
 jsr305 = "3.0.2"
 junit = "5.11.4"
 log4j = "2.0.17"