Bump stackprof from 0.2.11 to 0.2.12
Bump stackprof from 0.2.11 to 0.2.12

Bumps [stackprof](https://github.com/tmm1/stackprof) from 0.2.11 to 0.2.12.
- [Release notes](https://github.com/tmm1/stackprof/releases)
- [Changelog](https://github.com/tmm1/stackprof/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tmm1/stackprof/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alphagov/publishing-api,alphagov/publishing-api