chromiumos: shorted release label name

The UI is not spacing this correctly and the buttons are rendering over
the text name. Shorten the name.

See: go/cros-merge-controls

Bug: 382559767
Change-Id: Ibe0022b9b42538d0ed14d132d37d17710fd2cee0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/+/6086066
Reviewed-by: Gavin Mak <[email protected]>
1 file changed