Bump doctrine/collections from 2.1.2 to 2.2.2

Bumps [doctrine/collections](https://github.com/doctrine/collections) from 2.1.2 to 2.2.2.
- [Release notes](https://github.com/doctrine/collections/releases)
- [Commits](doctrine/collections@2.1.2...2.2.2)

---
updated-dependencies:
- dependency-name: doctrine/collections
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]