fix ci-doc

Author: Aniketsy

doc/sphinxext/credit_tools.py

@@ -336,6 +336,7 @@ def generate_credit_rst(app=None, *, verbose=False):
     globs["mne/morph_map.py"] = "mne.surface"
     globs["mne/baseline.py"] = "mne.epochs"
     globs["mne/io/edf/_open.py"] = "mne.io"
+    globs["mne/_edf/open.py"] = "mne.io"
     for key in """
         parallel.py rank.py misc.py data/*.* defaults.py fixes.py icons/*.* icons.*
     """.strip().split():