Merge release 2.6.1 into 2.7.x

[github-actions[bot]]

Release Notes for 2.6.1

2.6.x bugfix release (patch)

2.6.1

• Total issues resolved: 0
• Total pull requests resolved: 1
• Total contributors: 1

Bug

• 44: Bump PHPUnit to 10.1 and migrate configuration thanks to @gsteel

[Ocramius]

@gsteel since I don't have a dev environment right now, added you as assignee, sorry :S

[Ocramius]

Thanks @gsteel!