Use canonical addresses for the IP filter

[rnijveld]

Alternative for #2354 and #2353, fixes #2131

This implementation canonicalizes both the filter IP addresses as well as the IP addresses that are being tested against.

Thanks to @ibondarenko1 and @upmcplanetracker for the inspiration.

[codecov]

Codecov Report

❌ Patch coverage is 95.23810% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.17%. Comparing base (2f21eeb) to head (077758e).

Files with missing lines	Patch %	Lines
ntp-proto/src/server.rs	77.77%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2359      +/-   ##
==========================================
+ Coverage   81.08%   81.17%   +0.08%     
==========================================
  Files         114      114              
  Lines       23726    23747      +21     
==========================================
+ Hits        19239    19276      +37     
+ Misses       4487     4471      -16     

Flag	Coverage Δ
fuzz-cookie_parsing_sound	0.39% <0.00%> (-0.23%)	⬇️
fuzz-duration_from_float	0.25% <0.00%> (-0.01%)	⬇️
fuzz-encrypted_client_parsing	6.86% <0.00%> (+0.24%)	⬆️
fuzz-encrypted_server_parsing	10.11% <0.00%> (+0.38%)	⬆️
fuzz-handle	11.53% <46.66%> (-1.49%)	⬇️
fuzz-ipfilter	2.55% <52.63%> (+0.05%)	⬆️
fuzz-key_exchange_request_parsing	3.79% <0.00%> (-1.15%)	⬇️
fuzz-key_exchange_response_parsing	3.64% <0.00%> (-0.01%)	⬇️
fuzz-packet_keyset	5.61% <0.00%> (+1.67%)	⬆️
fuzz-packet_parsing_sound	6.06% <0.00%> (-0.01%)	⬇️
fuzz-ptp_message_parsing	51.56% <ø> (-7.48%)	⬇️
fuzz-record_encode_decode	4.42% <0.00%> (+0.02%)	⬆️
test-aarch64-apple-darwin	81.32% <89.47%> (+<0.01%)	⬆️
test-x86_64-unknown-linux-gnu	80.11% <89.47%> (+<0.01%)	⬆️
test-x86_64-unknown-linux-musl	79.99% <89.47%> (+<0.01%)	⬆️

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