Also save the generated .patch file.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
diff --git a/open_pdks/continous.cfg b/open_pdks/continous.cfg
index 129caeb..2e87515 100644
--- a/open_pdks/continous.cfg
+++ b/open_pdks/continous.cfg
@@ -11,6 +11,7 @@
     regex: "out/*.log"
     regex: "out/*.info"
     regex: "out/*.json"
+    regex: "out/*.patch"
     strip_prefix: "out"
   }
 }