Implement Publishers.Drop

[5sw]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@68e9bbe). Click here to learn what that means.
The diff coverage is 96.55%.

@@            Coverage Diff            @@
##             master      #70   +/-   ##
=========================================
  Coverage          ?   96.43%           
=========================================
  Files             ?       49           
  Lines             ?     2185           
  Branches          ?        0           
=========================================
  Hits              ?     2107           
  Misses            ?       78           
  Partials          ?        0

Impacted Files	Coverage Δ
...urces/OpenCombine/Publishers/Publishers.Drop.swift	96.55% <96.55%> (ø)

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[OpenCombineBot]

LGTM

Generated by 🚫 Danger Swift against 197f0d3

[broadwaylamb]

This is great, thank you!