Fix mis-scaled signals for subject 023: divide by 1e6 (part 18/33 of full fix for subjects 004,005,008-035,058-060).

sourcedata/braindecode/dataset.zarr/recording_23/data/c/0/0/0

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:1ed800796958e424c18bcdf4250b897762022bd894d81a86f1dbbce72c83e04c
-size 18531625
+oid sha256:6199d199fb3c7fe5a763863bd0f96120d4b3022e20ddeae99814bc8882d67a97
+size 18526950

sourcedata/braindecode/dataset.zarr/recording_23/data/c/1/0/0

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:562f0ef54abe7be07700c6eec799ac9d7b833ea2b8b24efacd132361735ae833
-size 11593972
+oid sha256:1b124d27b2ed6e5066cf1fa8bdfcbd2b08716b54c044e640b2120b155aa15638
+size 11591849