lockfile generation

[jdx]

currently the lockfile entries are updated per arch-os pair when tools are installed which is necessary because mise needs to actually install things to get the checksums. This means if you bump a version you'll lose the lockfile entries for any arch-os pair that isn't the specific one you bumped the version from.

I'm not sure how best to resolve this, but perhaps as a stopgap we could have a command like mise lockfile rebuild or something that would fetch "all" pairs (though which ones specifically idk).