oraclejdk: deprecate oraclejdk 10

(cherry picked from commit 628fa1d50f242f231bd39c954bbf02b30a2b2a72)

pkgs/development/compilers/oraclejdk/jdk10-linux.nix

···
   meta = with stdenv.lib; {
     license = licenses.unfree;
     platforms = [ "x86_64-linux" ]; # some inherit jre.meta.platforms
+    knownVulnerabilities = [ "Support ended in September 2018.  Use OpenJDK or JDK 8." ];
   };
 
 }; in result