chore: fix compilation errors

[dyladan]

Now that the core dependencies have been updated, remove the @ts-ignore directives. They are actually causing the build to fail now as can be seen here: https://github.com/open-telemetry/opentelemetry-js/runs/4179375965?check_suite_focus=true

[codecov]

Codecov Report

Merging #2614 (31b0dd7) into main (9cf402e) will decrease coverage by 0.97%.
The diff coverage is n/a.

❗ Current head 31b0dd7 differs from pull request most recent head f5e227f. Consider uploading reports for the commit f5e227f to get more accurate results

@@            Coverage Diff             @@
##             main    #2614      +/-   ##
==========================================
- Coverage   94.02%   93.04%   -0.98%     
==========================================
  Files          76      138      +62     
  Lines        2409     5093    +2684     
  Branches      549     1096     +547     
==========================================
+ Hits         2265     4739    +2474     
- Misses        144      354     +210     

Impacted Files	Coverage Δ
...metry-sdk-metrics-base/src/ObservableBaseMetric.ts	90.90% <0.00%> (ø)
...s/opentelemetry-instrumentation-fetch/src/fetch.ts	96.98% <0.00%> (ø)
...pentelemetry-sdk-metrics-base/src/MeterProvider.ts	88.57% <0.00%> (ø)
...y-instrumentation-grpc/src/enums/AttributeNames.ts	100.00% <0.00%> (ø)
...strumentation/src/platform/node/instrumentation.ts	60.25% <0.00%> (ø)
...kages/opentelemetry-api-metrics/src/api/metrics.ts	90.90% <0.00%> (ø)
...es/opentelemetry-instrumentation/src/autoLoader.ts	100.00% <0.00%> (ø)
...ackages/opentelemetry-api-metrics/src/NoopMeter.ts	79.48% <0.00%> (ø)
...y-instrumentation-http/src/enums/AttributeNames.ts	100.00% <0.00%> (ø)
...emetry-instrumentation-xml-http-request/src/xhr.ts	97.58% <0.00%> (ø)
... and 52 more

[legendecas]

this is how @ts-expect-error reminds us to remove it timely.