Post Release: update CHANGELOG, ReadMe

[mayurkale22]

No description provided.

[codecov-io]

Codecov Report

Merging #619 into master will increase coverage by 0.2%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #619     +/-   ##
=========================================
+ Coverage   90.42%   90.62%   +0.2%     
=========================================
  Files         180      180             
  Lines        9138     9238    +100     
  Branches      814      813      -1     
=========================================
+ Hits         8263     8372    +109     
+ Misses        875      866      -9

Impacted Files	Coverage Δ
...entelemetry-exporter-jaeger/test/transform.test.ts	100% <0%> (ø)	⬆️
packages/opentelemetry-tracing/src/config.ts	100% <0%> (ø)	⬆️
packages/opentelemetry-tracing/src/utility.ts	100% <0%> (ø)	⬆️
...telemetry-plugin-grpc/test/utils/assertionUtils.ts	100% <0%> (ø)	⬆️
packages/opentelemetry-tracing/test/Span.test.ts	100% <0%> (ø)	⬆️
...ry-tracing/test/export/SimpleSpanProcessor.test.ts	100% <0%> (ø)	⬆️
...pe-async-hooks/test/AsyncHooksScopeManager.test.ts	100% <0%> (ø)	⬆️
.../opentelemetry-exporter-jaeger/test/jaeger.test.ts	100% <0%> (ø)	⬆️
...ry-tracing/test/export/ConsoleSpanExporter.test.ts	100% <0%> (ø)	⬆️
...ntelemetry-tracing/test/MultiSpanProcessor.test.ts	100% <0%> (ø)	⬆️
... and 7 more