chore: update core to 0.20.0

[dyladan]

This is the minimum updates to take advantage of the latest API. It does not take advantage of new features like startActiveSpan

[codecov]

Codecov Report

Merging #513 (c4d73cd) into main (7ca20f8) will increase coverage by 0.01%.
The diff coverage is 99.02%.

@@            Coverage Diff             @@
##             main     #513      +/-   ##
==========================================
+ Coverage   95.36%   95.37%   +0.01%     
==========================================
  Files         147      147              
  Lines        8930     8974      +44     
  Branches      873      897      +24     
==========================================
+ Hits         8516     8559      +43     
- Misses        414      415       +1     

Impacted Files	Coverage Δ
...lugin-react-load/src/BaseOpenTelemetryComponent.ts	97.02% <80.00%> (-0.48%)	⬇️
...try-instrumentation-graphql/src/instrumentation.ts	92.30% <100.00%> (ø)
...opentelemetry-instrumentation-graphql/src/utils.ts	95.26% <100.00%> (ø)
...metry-instrumentation-graphql/test/graphql.test.ts	100.00% <100.00%> (ø)
...elemetry-instrumentation-pg/src/instrumentation.ts	82.29% <100.00%> (ø)
...ntelemetry-instrumentation-pg/test/pg-pool.test.ts	89.51% <100.00%> (ø)
...e/opentelemetry-instrumentation-pg/test/pg.test.ts	94.42% <100.00%> (ø)
...metry-propagator-aws-xray/src/AWSXRayPropagator.ts	100.00% <100.00%> (ø)
...propagator-aws-xray/test/AWSXRayPropagator.test.ts	100.00% <100.00%> (ø)
...tor-grpc-census-binary/src/GrpcCensusPropagator.ts	97.43% <100.00%> (ø)
... and 18 more

[dyladan]

Might be helpful to ignore white space on review since the linter made some changes to indents

[MSNev]

Looking at the history of this file -- the first version was checked in as 0.18.0.

[dyladan]

Most likely core was 18 at that time and the original contributor was confused what our policy is?

[lizthegrey]

Thank you much!

[dyladan]

Still waiting on #520 for release but things are looking like it should be done in the next few minutes