papermc: add OpenJDK-25 (headless) dependency

Dev builds of papermc will not work on older jre, albeit it's still in alpha/beta, some time in the future it will be the stable build. I have not noticed any issues running the stable build with jre-25.

lgsm/data/ubuntu-24.04.csv

@@ -82,7 +82,7 @@ onset,libmariadb-dev
 opfor
 pc
 pc2
-pmc,openjdk-21-jre
+pmc,openjdk-25-jre-headless
 pvkii
 pvr,libc++1
 pw