update to GHC 9.2.8

[clayrat]

supersedes #2206

[facundominguez]

Thanks @clayrat. These changes look great. I introduced some conflicts when preparing the release of lh 0.9.2.5.0. Would you like to solve those? Otherwise, I could give it try.

[clayrat]

Thanks @clayrat. These changes look great. I introduced some conflicts when preparing the release of lh 0.9.2.5.0. Would you like to solve those? Otherwise, I could give it try.

Done!