module: upgrade to segmentio/encoding@v0.2.17

[zchee]

Upgrade to segmentio/encoding@v0.2.17.

Also, use ZeroCopy feature on all decoders.

[codecov]

Codecov Report

Merging #19 (e46c129) into main (2442446) will decrease coverage by 0.2%.
The diff coverage is 26.6%.

@@           Coverage Diff           @@
##            main     #19     +/-   ##
=======================================
- Coverage   54.4%   54.1%   -0.3%     
=======================================
  Files          8       8             
  Lines        498     508     +10     
=======================================
+ Hits         271     275      +4     
- Misses       188     194      +6     
  Partials      39      39             

Impacted Files	Coverage Δ
message.go	39.8% <16.6%> (-1.1%)	⬇️
conn.go	64.4% <66.6%> (+0.5%)	⬆️

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