EmbarkStudios/cargo-about 0.9.1 on GitHub

PR#303 now attempts to find and add the license text for LicenseRef- licenses the same as it does for licenses in the SPDX list.
PR#304 resolved #194 by returning a configuration error when a clarify entry specifies neither files nor git, instead of silently ignoring the clarification.
PR#306 resolved #305 by removing the log warnings for using the deprecated fields related to clearly defined which was deprecated/removed in PR#287.