This commit updates the method for installing a headless browser for use
with selenium. Previously, it was installed globally using the
'seleniumbase' tool. This commit updates to first install 'seleniumbase'
into a venv, and then install browsers globally. This prevents
dependency conflicts.

Bumps [cryptography](https://github.com/pyca/cryptography) from 40.0.2 to 41.0.3.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@40.0.2...41.0.3)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

…-41.0.3

Bump cryptography from 40.0.2 to 41.0.3

Bumps [requests](https://github.com/psf/requests) from 2.23.0 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.23.0...v2.31.0)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Bump requests from 2.23.0 to 2.31.0

The 'find_element{,s}_by' methods were removed by selenium. This commit
updates to use 'from selenium.webdriver.common.by import By' instead.

The test 'test_002_admin_export' showed that excel export was broken
because timezones were no longer supported by the xslx package. This
commit updates the test and removes all timezone information when
exporting to excel sheets.

This commit treats all warnings as errors in pytest, with specific
permitted exceptions.

Update to Django 4.2 (LTS)

Export For Donations

This reverts commit a938ce4.

This reverts commit 9fdf012.