Closes #18

Switches to the `zsh` builtin command `whence` to resolve the location
of the mise binary:

https://zsh.sourceforge.io/Doc/Release/Shell-Builtin-Commands.html

docs: fix mise install docs for zsh

Closes #18

See merge request !611

chore(deps): update dependency ruby/ruby to v3.3.4

See merge request !614

chore(deps): update dependency googlecontainertools/kaniko to v1.23.2

See merge request !613

chore(deps): update dependency python/cpython to v3.12.3

See merge request !517

Increases the length of the title line in a conventional commit.

Sometimes renovate jobs fail due to the current title length
restriction and it's 2024 now: we can deal with longer lines.

chore: loosen title length rules for gitlint

See merge request !616

chore(deps): update pre-commit hook compilerla/conventional-pre-commit to v3.3.0

See merge request !615

Adds a common-ci-task configuration for Danger.

Unfortunately, the GitLab component could not be used since it does not
rely on Vault.

feat: add Danger task

See merge request !617

## [2.21.0](v2.20.4...v2.21.0) (2024-07-18)

### Features

* add Danger task ([4198c6d7](4198c6d7))