TLS support for workflows

[elena-kolevska]

Description

Adds TLS support for workflows

Issue reference

#631

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation - N/A

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (d0007a9) 86.22% compared to head (6caf1f9) 86.16%.
Report is 2 commits behind head on main.

❗ Current head 6caf1f9 differs from pull request most recent head 38bdbc0. Consider uploading reports for the commit 38bdbc0 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #632      +/-   ##
==========================================
- Coverage   86.22%   86.16%   -0.06%     
==========================================
  Files          75       75              
  Lines        3724     3737      +13     
==========================================
+ Hits         3211     3220       +9     
- Misses        513      517       +4     

Files	Coverage Δ
dapr/clients/exceptions.py	90.90% <100.00%> (+0.90%)	⬆️
dapr/clients/http/client.py	94.91% <75.00%> (ø)
...workflow/dapr/ext/workflow/dapr_workflow_client.py	93.33% <84.61%> (-4.11%)	⬇️
...ext-workflow/dapr/ext/workflow/workflow_runtime.py	69.76% <71.42%> (-0.51%)	⬇️

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