fix: Update Selenium

[faucomte97]

This PR is needed because:

• The upgrade of urllib3 means the latest compatible Selenium version is 4.9.0: https://stackoverflow.com/questions/76614392/getting-error-when-i-run-selenium-script-value-error-timeout-value-connect-was

• The find_element_by_ functions were removed as of Selenium 4.3.0: [py]: remove deprecated find_element_by_ methods SeleniumHQ/selenium#10712 hene the replacements.

---

This change is 

[SKairinos]

Reviewed 39 of 39 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @faucomte97)

[codecov]

Codecov Report

Merging #2183 (28db12e) into master (9793686) will increase coverage by 0.04%.
Report is 9 commits behind head on master.
The diff coverage is 98.14%.

@@            Coverage Diff             @@
##           master    #2183      +/-   ##
==========================================
+ Coverage   94.40%   94.44%   +0.04%     
==========================================
  Files         166      168       +2     
  Lines        4555     4590      +35     
==========================================
+ Hits         4300     4335      +35     
  Misses        255      255              

Files	Coverage Δ
cfl_common/common/helpers/organisation.py	100.00% <ø> (ø)
...mon/common/migrations/0041_populate_gb_counties.py	88.23% <100.00%> (ø)
...n/common/migrations/0044_update_activity_models.py	100.00% <100.00%> (ø)
cfl_common/common/migrations/0045_otp.py	100.00% <100.00%> (ø)
cfl_common/common/models.py	89.91% <100.00%> (+0.24%)	⬆️
cfl_common/common/tests/test_models.py	100.00% <100.00%> (ø)
portal/__init__.py	100.00% <100.00%> (ø)
portal/urls.py	100.00% <ø> (ø)
portal/views/cron/user.py	92.22% <96.15%> (+1.31%)	⬆️