[Snyk] Upgrade @hey-api/openapi-ts from 0.63.2 to 0.64.4#59

jcdc-bot wants to merge 1 commit intodev/v15jcdcdev/jcdcdev.Umbraco.ReadingTime:dev/v15from

snyk-upgrade-b3e24ef9726ac8ccdef6b52bcb6f60c2jcdcdev/jcdcdev.Umbraco.ReadingTime:snyk-upgrade-b3e24ef9726ac8ccdef6b52bcb6f60c2Copy head branch name to clipboard