switch to JDK 17 for publishing javadoc

Author: dougxc

ci_includes/publish-javadoc.jsonnet

@@ -45,7 +45,7 @@
   },
 
   local all_builds = [
-    common.post_merge + linux_amd64 + common.oraclejdk8 + javadoc_publisher,
+    common.post_merge + linux_amd64 + common.labsjdk17 + javadoc_publisher,
   ],
   // adds a "defined_in" field to all builds mentioning the location of this current file
   builds:: [{ defined_in: std.thisFile } + b for b in all_builds]