Camerahub

* Fix bug by restricting forms to update only the fields they need (582)

This release focuses attention on making the workflow for Films much better

* Display processed date in film list view (559)
* Add actions to film and restyle existing actions as buttons (560)
* Improvements to film detail view, and film forms (560)
* Limit choice of archives to unsealed ones of the relevant type (578)
* Update jQuery, Popper and Bootstrap
* Fix a couple of HTML lint issues

* Format notes as long text fields (562)
* Improvements to film list view (561)
* Add a status field to Film so its progress can be tracked (569)
* Improvements to film form (560)
* Order films by id, not date (565)
* Add image attribution to comply with Creative Commons licensing (557)
* Add link to Concepts on front page (413)

* Improve display of national flags

Revert upgrade to build-push-actionv2 as it doesn't suit our tagging model (543)

This release minor improvements to detail views, but the most significant portion of work is to do with Python deps, CI pipelines and Kubernetes resources.

* Make detail headings be a self link (541)
* Add country flag icons (547)
* Update Python deps and comply with newer pylint (497)
* Use non-deprecated API for Ingress (544)
* Update build-push-action (543)