Bump rector/rector from 1.2.6 to 1.2.7 in the all group

Bumps the all group with 1 update: [rector/rector](https://github.com/rectorphp/rector).


Updates `rector/rector` from 1.2.6 to 1.2.7
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@1.2.6...1.2.7)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all
...

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