docs(security): change bugbounty provider from h1 to bugcrowd

[DocEmmetBrown]

Our bugbounty program is now with Bugcrowd. The HackerOne program is deprecated.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.37%. Comparing base (5faf30a) to head (73d46d4).

❗ There is a different number of reports uploaded between BASE (5faf30a) and HEAD (73d46d4). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (5faf30a)	HEAD (73d46d4)
	7	5

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #47      +/-   ##
==========================================
- Coverage   90.30%   84.37%   -5.93%     
==========================================
  Files          13       13              
  Lines        1991     1991              
==========================================
- Hits         1798     1680     -118     
- Misses        193      311     +118     

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