chore: fix minor typo

[mayurkale22]

OptenTelemetry -> OpenTelemetry

[codecov-io]

Codecov Report

Merging #551 into master will decrease coverage by 3.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #551      +/-   ##
==========================================
- Coverage   92.17%   88.98%   -3.19%     
==========================================
  Files         151      130      -21     
  Lines        7273     6075    -1198     
  Branches      648      531     -117     
==========================================
- Hits         6704     5406    -1298     
- Misses        569      669     +100

Impacted Files	Coverage Δ
...pentelemetry-core/test/internal/validators.test.ts	50% <0%> (-50%)	⬇️
...elemetry-core/test/trace/spancontext-utils.test.ts	55.55% <0%> (-44.45%)	⬇️
...lemetry-core/test/trace/ProbabilitySampler.test.ts	56.52% <0%> (-43.48%)	⬇️
...s/opentelemetry-core/test/trace/NoopTracer.test.ts	60% <0%> (-40%)	⬇️
...s/opentelemetry-core/test/context/B3Format.test.ts	63.39% <0%> (-36.61%)	⬇️
...ges/opentelemetry-core/test/trace/NoopSpan.test.ts	63.63% <0%> (-36.37%)	⬇️
...s/opentelemetry-core/test/trace/tracestate.test.ts	65.06% <0%> (-34.94%)	⬇️
...ntelemetry-core/test/trace/NoRecordingSpan.test.ts	71.42% <0%> (-28.58%)	⬇️
...ackages/opentelemetry-core/src/platform/node/id.ts	71.42% <0%> (-28.58%)	⬇️
...entelemetry-core/test/common/ConsoleLogger.test.ts	77.01% <0%> (-22.99%)	⬇️
... and 38 more

[obecny]

lgtm