feat: deprecate Sampler

[legendecas]

Preferring the one declared in @opentelemetry/sdk-trace-base.

Fixes: #148
Related: open-telemetry/opentelemetry-js#3088

[codecov]

Codecov Report

Merging #166 (0d125e7) into main (17ccb3a) will not change coverage.
The diff coverage is n/a.

❗ Current head 0d125e7 differs from pull request most recent head 4cb6476. Consider uploading reports for the commit 4cb6476 to get more accurate results

@@           Coverage Diff           @@
##             main     #166   +/-   ##
=======================================
  Coverage   95.23%   95.23%           
=======================================
  Files          45       45           
  Lines         650      650           
  Branches      102      102           
=======================================
  Hits          619      619           
  Misses         31       31           

Impacted Files	Coverage Δ
src/trace/SamplingResult.ts	100.00% <ø> (ø)

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[dyladan]

feat updates the minor version. Is that what we want?

[legendecas]

feat updates the minor version. Is that what we want?

Yes, this is intended. This is not breaking but introducing something new for SDKs to implement.