Changes to GET /kanaal

removed the required property invalid-params from the response with the 400 status

the security scope (notificaties.publiceren | notificaties.consumeren) was added to the endpoint's security scheme JWT-Claims

the security scope (notificaties.scopes.publiceren | notificaties.scopes.consumeren) was removed from the endpoint's security scheme JWT-Claims

added the required property invalidParams to the response with the 400 status