Enable Django cache busting for static files

.gitlab-ci.yml

src/backoffice/static/bootstrap4/bootstrap.bundle.min.js

src/backoffice/static/bootstrap4/bootstrap.min.css

src/backoffice/static/d3-graphviz.js

src/backoffice/static/datatables/datatables.min.js

src/core/static/map/mapbox-gl-draw.js

src/core/static/map/maplibre-gl.js

src/hub/settings/base.py

src/plainui/jinja2/plainui/base.html

src/plainui/static/plainui/js/bootstrap.min.js

src/plainui/static/plainui/js/player.js

src/plainui/static/plainui/js/popper.min.js

src/plainui/urls.py