docs: jj-vcs.github.io -> jj-vcs.dev 5b3aa511 parent 0563f4f5

As a follow-up to #8115, this moves all references in the codebase to use the new website. I didn't update the older CHANGELOG entries because I figured they're intended to be immutable.

authored by Steve Klabnik

jj / .config

..
codespell-additional-dict codespell: disallow co-location as well 7 months ago
mise.toml mise: add more test tasks
 		4 months ago
nextest.toml nextest: change the "SLOW" timeout in CI to 10s
 		6 months ago