Bump nom from 3.2.1 to 6.1.0

Bumps [nom](https://github.com/Geal/nom) from 3.2.1 to 6.1.0.
- [Release notes](https://github.com/Geal/nom/releases)
- [Changelog](https://github.com/Geal/nom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Geal/nom/compare/3.2.1...6.1.0)

Signed-off-by: dependabot[bot] <support@github.com>
3 jobs for dependabot/cargo/nom-6.1.0 in 3 minutes and 32 seconds (queued for 7 seconds)
latest
Status Name Job ID Coverage
  Prepare
passed prepare:docker #1430516
builder

00:01:59

 
  Build
failed build:uhyve #1430517

00:01:33

 
  Test
skipped test:demo #1430518
privileged
 
Name Stage Failure
failed
build:uhyve Build
error: aborting due to 34 previous errors; 1 warning emitted

Some errors have detailed explanations: E0308, E0423, E0425, E0432, E0531, E0532, E0599.
For more information about an error, try `rustc --explain E0308`.
error: could not compile `uhyve`

To learn more, run the command again with --verbose.
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1