Update dependency graphql-subscriptions to v1.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
graphql-subscriptions	dependencies	minor	1.0.0 -> 1.1.0

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Release Notes

apollostack/graphql-subscriptions

v1.1.0

Compare Source

• Fix #​132 - withFilter was previously always passing undefined as its first argument to the filterFn
• Partially attempt to fix #​143 - try to reduce occurrence of certain memory leaks with the built-in PubSubEngine implementation
• Replaced eventEmitterAsyncIterator with default generic AsyncIterator named PubSubAsyncIterator. extends PubSubEngine automatically uses generic implementation. No breaking changes for those who continue to use implements PubSubEngine. See PR #​78.

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[codecov]

Codecov Report

Merging #155 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #155   +/-   ##
======================================
  Coverage    81.1%   81.1%           
======================================
  Files          10      10           
  Lines         381     381           
  Branches       60      60           
======================================
  Hits          309     309           
  Misses         64      64           
  Partials        8       8

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