chore(sdk-trace-web): fix lint warnings

[alisabzevari]

related to #1093,

Which problem is this PR solving?

• This PR fixes lint warnings in sdk-trace-web package.

Short description of the changes

• Fix lint warnings

[codecov]

Codecov Report

Merging #2451 (9f96623) into main (58bfe25) will decrease coverage by 0.37%.
The diff coverage is 100.00%.

❗ Current head 9f96623 differs from pull request most recent head 7ed72e2. Consider uploading reports for the commit 7ed72e2 to get more accurate results

@@            Coverage Diff             @@
##             main    #2451      +/-   ##
==========================================
- Coverage   93.26%   92.88%   -0.38%     
==========================================
  Files         115      105      -10     
  Lines        4645     3978     -667     
  Branches     1036      901     -135     
==========================================
- Hits         4332     3695     -637     
+ Misses        313      283      -30     

Impacted Files	Coverage Δ
...telemetry-sdk-trace-web/src/StackContextManager.ts	94.28% <ø> (ø)
...entelemetry-sdk-trace-web/src/WebTracerProvider.ts	100.00% <100.00%> (ø)
packages/opentelemetry-sdk-trace-web/src/utils.ts	94.90% <100.00%> (ø)
...opentelemetry-exporter-trace-otlp-http/src/util.ts
...ation-xml-http-request/src/enums/AttributeNames.ts
...s/opentelemetry-instrumentation-fetch/src/fetch.ts
...y-exporter-trace-otlp-http/src/OTLPExporterBase.ts
...pentelemetry-exporter-trace-otlp-http/src/types.ts
...exporter-metrics-otlp-http/src/transformMetrics.ts
...-instrumentation-fetch/src/enums/AttributeNames.ts
... and 3 more

[vmarchaud]

@dyladan It appears the cla is broken, do you know how to fix this ?

[dyladan]

/easycla

[dyladan]

@vmarchaud ^ like that