Bump doctrine/inflector from 2.0.9 to 2.0.10 in /wordpress-plugin

Bumps [doctrine/inflector](https://github.com/doctrine/inflector) from 2.0.9 to 2.0.10.
- [Release notes](https://github.com/doctrine/inflector/releases)
- [Commits](doctrine/inflector@2.0.9...2.0.10)

---
updated-dependencies:
- dependency-name: doctrine/inflector
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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