Move rustls provider initialization to application boundaries

[msk]

Closes #907.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.30%. Comparing base (fdef56b) to head (2e07d9e).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #910      +/-   ##
==========================================
- Coverage   85.30%   85.30%   -0.01%     
==========================================
  Files          77       77              
  Lines       31065    31064       -1     
==========================================
- Hits        26499    26498       -1     
  Misses       4566     4566              

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