Bump slabigator from 0.9.5 to 0.9.6

Bumps [slabigator](https://github.com/jedisct1/rust-slabigator) from 0.9.5 to 0.9.6.
- [Release notes](https://github.com/jedisct1/rust-slabigator/releases)
- [Commits](jedisct1/rust-slabigator@0.9.5...0.9.6)

---
updated-dependencies:
- dependency-name: slabigator
  dependency-version: 0.9.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]