Fix mis-scaled signals for subject 026: divide by 1e6 (part 21/33 of full fix for subjects 004,005,008-035,058-060).

sourcedata/braindecode/dataset.zarr/recording_26/data/c/0/0/0

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:68833398412a71b37e860f083ff904888ed65e733b3015b4729186e7cb0b7307
-size 18486762
+oid sha256:db50a317797c558654bb2cbcb02c83a9778af35fd3b8ee0c5e66907a59eef81e
+size 18483208

sourcedata/braindecode/dataset.zarr/recording_26/data/c/1/0/0

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c03252dfbc3eea3aa1e557f45085f0282949bd1e0a479506c7679da89c78f9bb
-size 11563664
+oid sha256:7c538a16f8171ef96490e3c9c96978e375da7f5861d6dffa27e72f83fb015161
+size 11562664