fix: guard against chaotic chaos responses

[TrebledJ]

In extremely rare cases, Chaos API returns a gigaton of subdomains. If that happens, we simply treat the domain as a wildcard. I've hardcoded the limit to 10,000 subdomains, which I think is a bit generous, but oh well.

resolves #2879

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 91%. Comparing base (5be4993) to head (1a08d2f).
⚠️ Report is 13 commits behind head on dev.

Files with missing lines	Patch %	Lines
bbot/modules/chaos.py	50%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##             dev   #3078   +/-   ##
=====================================
- Coverage     91%     91%   -0%     
=====================================
  Files        437     437           
  Lines      37509   37511    +2     
=====================================
- Hits       33925   33924    -1     
- Misses      3584    3587    +3     

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