Chore: Bump nightly -> 2023-12-28

[xFrednet]

An issue tracking PRs, which might be relevant for the next nightly sync (#345):

• rust-lang/rust#117649
• rust-lang/rust#118250
• rust-lang/rust#118256
• rust-lang/rust#118394
• rust-lang/rust#118470
• rust-lang/rust#118527
• rust-lang/rust#118420
• rust-lang/rust#118500
• rust-lang/rust#118396
• rust-lang/rust#118727
• rust-lang/rust#119063
• rust-lang/rust#119145
• rust-lang/rust#119231
• rust-lang/rust#119258

Investigate if and where rust-lang/rust#65991 could be used

Stabilization:

• rust-lang/rust#117472

Check ICEs:

• #338
• #337
• #336