chore: set up docker containers for github actions

[kjin]

No description provided.

[codecov]

Codecov Report

Merging #1213 into master will decrease coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1213      +/-   ##
==========================================
- Coverage   94.73%   94.65%   -0.09%     
==========================================
  Files         100      100              
  Lines        6551     6490      -61     
  Branches      514      514              
==========================================
- Hits         6206     6143      -63     
- Misses        182      184       +2     
  Partials      163      163              

Impacted Files	Coverage Δ
.mocharc.js	62.50% <0.00%> (-25.00%)	⬇️
test/web-frameworks/connect.ts	76.92% <0.00%> (-0.86%)	⬇️
test/test-cls-ah.ts	90.12% <0.00%> (-0.69%)	⬇️
test/web-frameworks/hapi17.ts	92.30% <0.00%> (-0.38%)	⬇️
test/web-frameworks/hapi8_16.ts	90.47% <0.00%> (-0.23%)	⬇️
test/test-grpc-async-handler.ts	97.01% <0.00%> (-0.17%)	⬇️
test/test-trace-web-frameworks.ts	98.72% <0.00%> (-0.12%)	⬇️
test/plugins/test-cls-bluebird.ts	96.77% <0.00%> (-0.11%)	⬇️
test/test-trace-hapi-tails.ts	97.91% <0.00%> (-0.09%)	⬇️
test/trace.ts	93.50% <0.00%> (-0.09%)	⬇️
... and 4 more

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[bcoe]

@kjin just let me know when you're getting closer to a test configuration you'd like, and we can turn on and off required checks as needed.

[kjin]

Hey @bcoe, sorry for the delay. I think things seem to be green now, PTAL. Thanks!