Update dependency subscriptions-transport-ws to v0.9.16

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
subscriptions-transport-ws	dependencies	patch	0.9.15 -> 0.9.16

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Release Notes

apollostack/subscriptions-transport-ws

v0.9.16

Compare Source

• Add ability to set custom WebSocket protocols for client.
  
  @​pkosiec in #​477

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[codecov]

Codecov Report

Merging #152 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@ Coverage Diff @@## master #152 +/- ##
==========================================
+ Coverage 81.1% 81.11% +0.01% 
==========================================
Files 10 10 Lines 381 376 -5 Branches 60 56 -4 ==========================================
- Hits 309 305 -4 + Misses 64 63 -1 
Partials 8 8

Impacted Files	Coverage Δ
src/internal/ProcessManager/ProcessManager.js	36.84% <0%> (-2.19%)	⬇️
src/internal/ProcessManager/ManagedProcess.js	80.55% <0%> (-0.53%)	⬇️

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