chore: enable typescript 4.3 option noImplicitOverride

[Flarna]

Enable typescript 4.3 feature noImplicitOverride to improve code quality.
Adapt code to compile by adding override keyword or avoid overriding.

Update some dev-dependencies and correct some lint warnings.
Configure tsx files to use LF instead CRLF to stay in sync with ts files.

Refs: open-telemetry/opentelemetry-js#2241

[codecov]

Codecov Report

Merging #549 (f87ae51) into main (c0ad001) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #549      +/-   ##
==========================================
+ Coverage   94.72%   94.77%   +0.05%     
==========================================
  Files         174      179       +5     
  Lines       10797    10921     +124     
  Branches     1057     1083      +26     
==========================================
+ Hits        10227    10350     +123     
- Misses        570      571       +1     

Impacted Files	Coverage Δ
...try-instrumentation-graphql/src/instrumentation.ts	92.72% <100.00%> (ø)
...metry-instrumentation-document-load/src/version.ts	100.00% <0.00%> (ø)
...lemetry-instrumentation-document-load/src/utils.ts	100.00% <0.00%> (ø)
...strumentation-document-load/src/instrumentation.ts	98.79% <0.00%> (ø)
...entation-document-load/src/enums/AttributeNames.ts	100.00% <0.00%> (ø)
...trumentation-document-load/src/enums/EventNames.ts	100.00% <0.00%> (ø)

[vmarchaud]

lgtm

[obecny]

lgtm