fix(deps): update dependency @opencensus/propagation-stackdriver to v0.0.19

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
@opencensus/propagation-stackdriver	dependencies	patch	0.0.18 -> 0.0.19

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Release Notes

census-instrumentation/opencensus-node

v0.0.19

Compare Source

• fix: fallback to global resource type when expected labels are missing (#​711)
• chore(deps): update dependency rimraf to v3 (#​700)
• add typedoc docs (#​583)
• chore: audit fix (#​710)
• fix(deps): update dependency jaeger-client to ~3.17.0 (#​697)
• chore: upgrade gcp-metadata to ^3.0.0 (#​709)

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[codecov]

Codecov Report

Merging #1158 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1158      +/-   ##
==========================================
- Coverage   94.73%   94.68%   -0.05%     
==========================================
  Files          99       99              
  Lines        6513     6452      -61     
  Branches      513      513              
==========================================
- Hits         6170     6109      -61     
  Misses        181      181              
  Partials      162      162

Impacted Files	Coverage Δ
test/web-frameworks/connect.ts	76.92% <0%> (-0.86%)	⬇️
test/test-cls-ah.ts	90% <0%> (-0.7%)	⬇️
test/web-frameworks/hapi17.ts	92.3% <0%> (-0.38%)	⬇️
test/web-frameworks/hapi8_16.ts	90.47% <0%> (-0.23%)	⬇️
test/test-grpc-async-handler.ts	97.01% <0%> (-0.17%)	⬇️
test/test-trace-web-frameworks.ts	98.71% <0%> (-0.12%)	⬇️
test/plugins/test-cls-bluebird.ts	96.72% <0%> (-0.11%)	⬇️
test/test-trace-hapi-tails.ts	97.87% <0%> (-0.09%)	⬇️
test/trace.ts	93.5% <0%> (-0.09%)	⬇️
test/test-config-priority.ts	95.91% <0%> (-0.09%)	⬇️
... and 3 more

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