Add Web server SSL to Selenium image

[andrewnicols]

Still needs config.php template updating too. Probably via an env var to say yes/no to SSL

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.27%. Comparing base (269c39f) to head (0444842).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...modules/docker-selenium-ssl/docker-selenium-ssl.sh	0.00%	24 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #162      +/-   ##
==========================================
- Coverage   63.15%   62.27%   -0.88%     
==========================================
  Files          51       52       +1     
  Lines        1699     1723      +24     
==========================================
  Hits         1073     1073              
- Misses        626      650      +24     

Flag	Coverage Δ
behat_bisect_test	39.75% <0.00%> (-0.57%)	⬇️
behat_test	40.16% <0.00%> (-0.58%)	⬇️
phpunit_bisect_test	33.70% <0.00%> (-0.49%)	⬇️
phpunit_test	33.94% <0.00%> (-0.49%)	⬇️
postjobs_test	32.47% <0.00%> (-0.47%)	⬇️
runner_test	15.67% <0.00%> (-0.23%)	⬇️

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