Bump OpenTracing to 0.22.0

[pavolloffay]

No description provided.

[codecov-io]

Codecov Report

Merging #164 into master will increase coverage by 0.1%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             master     #164     +/-   ##
===========================================
+ Coverage     79.61%   79.72%   +0.1%     
- Complexity      447      448      +1     
===========================================
  Files            76       76             
  Lines          1727     1726      -1     
  Branches        192      192             
===========================================
+ Hits           1375     1376      +1     
+ Misses          265      264      -1     
+ Partials         87       86      -1

Impacted Files	Coverage Δ	Complexity Δ
...ger-core/src/main/java/com/uber/jaeger/Tracer.java	85.63% <ø> (+0.47%)	16 <0> (ø)	⬇️
.../uber/jaeger/samplers/RemoteControlledSampler.java	92.95% <0%> (+1.4%)	19% <0%> (+1%)	⬆️

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