Allow latest template-haskell and time, bump CI to GHC 9.10

[andreasabel]

Blocked on

• [x] https://gitlab.haskell.org/ghc/head.hackage/-/issues/100
• [x] https://github.com/ekmett/reflection/issues/56
• [x] https://github.com/haskell-hvr/text-short/issues/45

[andreasabel]

Published as safecopy-0.10.4.2 revision 9.

I don't have commit right on this repo yet. @stepcut @ddssff Merge?

[andreasabel]

Superseded by:

• 96