Udpate cider-nrepl to 0.25.7+

[bpringe]

That version includes a Java-related fix. clojure-emacs/orchard#103

In-editor JDK class/method docstrings (and argument names, etc) depends on this feature, as does source navigation (jumping) for JDK classes

[bpringe]

Updated in dev, will go out with next release. Added the close syntax to the commit, but not sure if this will be closed without a PR+close syntax. Closing now.