Bump slevomat/coding-standard from 7.0.15 to 7.0.16

Bumps [slevomat/coding-standard](https://github.com/slevomat/coding-standard) from 7.0.15 to 7.0.16.
- [Release notes](https://github.com/slevomat/coding-standard/releases)
- [Commits](slevomat/coding-standard@7.0.15...7.0.16)

---
updated-dependencies:
- dependency-name: slevomat/coding-standard
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>