maintenance: remove tld dependency

[adbar]

We can get rid of the unmaintained tld dependency to make maintenance easier.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.77%. Comparing base (f73bb10) to head (1717f7d).

Additional details and impacted files

@@             Coverage Diff             @@
##            master     #137      +/-   ##
===========================================
- Coverage   100.00%   99.77%   -0.23%     
===========================================
  Files           12       14       +2     
  Lines          857      902      +45     
  Branches       167      173       +6     
===========================================
+ Hits           857      900      +43     
- Misses           0        2       +2     

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