Fix various minor issues (#545)

* Add absolute URL to power tests

* Update to target Python 3.10

* Return user to current page when clicking 'mark reviewed'

* Add units to power test record detail and form

I'm a bad scientist (coz I'm an engineer)

* Allow a higher value in PSSC fields

* Default venue to event venue in EC/PT

* Fix population of initial venue values for EC/PT

* Add link to create power test from EC detail

* Do not set power plan field to required on RA

"This might be a problem if the risk assessment is being done by one person and the power plan by another."

* Default power MIC to MIC

* Implement some suggestions from the Doctor

* Prevent checking in to cancelled events and dry hires

Will close #539

* Exclude dry hires from H&S overview list

* Add "ex VAT" tooltips to asset purchase price and replacement cost

* Automagically clear and focus ID field when audit modal closes

Closes #533

* Delete unused things

* Allow two decimal places in cable length, show training item IDs in selectpicker

Will close #540

* Fix #524 500 Error when viewing qualification list for items nobody is qualified in

* Update README.md

* Add a guard against nulls in recent changes

Maybe fixes #537 I'm unable to replicate locally

* Turn down verbosity of CI tests, fix tests, potential speedup

* Squash migration

* Add encoding to open

* Update to v3 upload-artifact

Resolves a deprecation warning

.github/workflows/django.yml

@@ -12,6 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      PYTHONDONTWRITEBYTECODE: 1
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
@@ -41,8 +42,8 @@ jobs:
               pipenv run python3 manage.py makemigrations --check --dry-run
               pipenv run python3 manage.py collectstatic --noinput
       - name: Run Tests
-        run: pipenv run pytest -n auto -vv --cov
-      - uses: actions/upload-artifact@v2
+        run: pipenv run pytest -n auto --cov
+      - uses: actions/upload-artifact@v3
         if: failure()
         with:
             name: failure-screenshots ${{ matrix.test-group }}