v1.1.0 release

Updated openc-schema gem with tightened additional properties for schemas.

Used in parakeet bots and the machine.

v1.1.0 release candidate 1

Bump version to 1.1.0.rc1

This is the first release candidate of v1.1.0. It will be released as
v1.1.0 after it has been tested by the machine_bot project.