Update dependency promise-poller to v1.9.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
promise-poller	dependencies	minor	1.7.0 -> 1.9.1

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Release Notes

joeattardi/promise-poller

v1.9.1

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v1.9.0

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• Added async cancellation via CANCEL_TOKEN.

v1.8.0

Compare Source

• Removed the dependency on Bluebird. The global Promise object is used instead.

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[codecov]

Codecov Report

Merging #300 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #300   +/-   ##
=======================================
  Coverage   63.56%   63.56%           
=======================================
  Files         136      136           
  Lines        1872     1872           
  Branches      192      192           
=======================================
  Hits         1190     1190           
  Misses        627      627           
  Partials       55       55           

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