GitLab

Backport #20243

Adjust the max-widths for the repository file table to allow for nicer
resizing of the names and commit messages.

Fix #20040
Signed-off-by: Andrew Thornton <art27@cantab.net>

 ## Screenshots

 ## MediaXL
![Screenshot from 2022-07-05 10-22-12](https://user-images.githubusercontent.com/1824502/177295867-7ba8cf60-8f61-4227-892f-e5a0477e4146.png)

 ## MediaLg
![Screenshot from 2022-07-05 10-24-37](https://user-images.githubusercontent.com/1824502/177296301-e066e206-10f7-4a15-a68b-0f772a95f369.png)

 ## MediaMd
![Screenshot from 2022-07-05 10-23-03](https://user-images.githubusercontent.com/1824502/177295965-69397649-16ca-456a-bc0c-ed507fcb7f44.png)

 ## MediaSm
![Screenshot from 2022-07-05 10-26-44](https://user-images.githubusercontent.com/1824502/177296700-ca2a853b-c47b-4592-baf4-4bc08a7e1c9c.png

)
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>