CompatHelper: add new compat entry for "Cassette" at version "0.3"
Created by: github-actions[bot]
This pull request sets the compat entry for the Cassette
package to 0.3
.
This is a brand new compat entry. Previously, you did not have a compat entry for the Cassette
package.
Note: I have not tested your package with this new compat entry. It is your responsibility to make sure that your package tests pass before you merge this pull request.