Add note (#1723)

* add note of shortcomings

* update submodule to match upstream

.github/workflows/sync-wiki.yaml

@@ -1,6 +1,16 @@
 #
 # ACCESS_TOKEN - Personal Access Token with "public_repo" permission
 #
+#
+# Note: This action will not run on all file changes!
+# Some file extensions will not trigger an action run,
+# but they will be synced the next time a file is changed.
+# .png and .jpg files do not trigger runs.
+# .md, .txt, and .html files do.
+# I have not tested any others.
+# If we could set this up to trigger on a push to rusefi.wiki, that
+# would be optimal, but unfortunately that does not seem to be possible.
+#
 
 name: Sync Wiki