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
...

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

Author: dependabot[bot]