docs(Note): Update schema/Note.schema.yaml
docs(Note): Update schema/Note.schema.yaml

Co-authored-by: Robert Gieseke <99c9ea746d8996549a50e0fc4fdba216aed44122@web.de>
stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila