Add linting for literal unpacking

.ruff.toml

src/api/views/maps.py

src/backoffice/forms.py

src/backoffice/views/assemblyteam.py

src/core/admin.py

src/core/management/commands/suggestion_tick.py

src/core/markdown.py

src/hub/settings/default.py

src/hub/settings/dev.py