Fix mis-scaled signals for subject 008: divide by 1e6 (part 3/33 of full fix for subjects 004,005,008-035,058-060).

sourcedata/braindecode/dataset.zarr/recording_8/data/c/0/0/0

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:dbcb81734956d63ae916f3c6d15f9b24621af5ed85a818424eb9efc4daefba81
-size 18485130
+oid sha256:58d3fc4e6243b149c16a3914053f614f4395928669c6097bf9cfbb9f864ad47f
+size 18484691

sourcedata/braindecode/dataset.zarr/recording_8/data/c/1/0/0

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4f2f853494b69e189a573b447c5e33b7bc276de6477b1b2fa4d0d85b7cd1765c
-size 11755459
+oid sha256:2b8f8c46a478246c99c1647e1fb50d82ac4afd768605a3a547a045d28e06b1a7
+size 11754367