fix: verify downloads against the checksum Foojay lists, so vfox install java@25.0.2-graalce and the like no longer end with WARNING: Checksum is not provided, skip verify...

fix: verify downloads against the checksum Foojay lists, so vfox install java@25.0.2-graalce and the like no longer end with WARNING: Checksum is not provided, skip verify... #70