feat: add release-mode option to be either semantic or calendar

Example of output:

release-new --release-mode calendar
Let's go for a time release
Automatic release guesser decided to release the version '22.2.1' (time)
Are you ok with that? [Y/n]: 
obsolete feature not enabled but 10409 markers found!
🎉 Congratulation, we've made a new time release 22.2.1 \o/ 🎇

✨ 🍰 ✨

Now you need to hg push the new commits

The commit is then: chore(pkg): new time release (22.02.1)