Release 2.6.0

🚀 Enhancement

• #49 bump prepublisher (@nvdk)
• #48 bump frontend 2.13.0 -> 2.14.0 (@nvdk)

🏠 Internal

• #47 Remove requirebranch config from release-it.json (@abeforgit)
• #45 Add versioned behandeling relationship to behandeling (@lagartoverde)

Committers: 3

• Arne Bertrand (@abeforgit)
• Niels V (@nvdk)
• Oscar Rodriguez Villalobos (@lagartoverde)