chore(developer): Deprecate `@keymanapp/lexical-model-compiler` and publish `@keymanapp/kmc*` modules on npm when we merge feature-ldml 🙀

TODO: 
- [x] Deprecate `@keymanapp/lexical-model-compiler` and 
- [X] publish `@keymanapp/kmc*` modules on npm for ~v16~ v17 onward.

_Originally posted by @mcdurdin in https://github.com/keymanapp/keyman/issues/7299#issuecomment-1250135159_

NOTE: the publish script has `DRY_RUN` force-set which needs to be reset once we are ready to go.