chore: fixing context propagation on mongo callback

[obecny]

Which problem is this PR solving?

• Fixes mongodb instrumentation: nested span is not generated when using callback  #390 - fix is only in instrumentation package as plugin is going to be removed soon anyway

Short description of the changes

• when using callback instead of promise mongodb is using tick when calling callback. This causing the context to be not propagated correctly

[codecov]

Codecov Report

Merging #403 (1a6389d) into main (55fa0e9) will decrease coverage by 0.21%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##             main     #403      +/-   ##
==========================================
- Coverage   94.43%   94.21%   -0.22%     
==========================================
  Files          11       12       +1     
  Lines         431      432       +1     
  Branches       48       48              
==========================================
  Hits          407      407              
- Misses         24       25       +1     

Impacted Files	Coverage Δ
...apackages/auto-instrumentations-web/src/version.ts	0.00% <0.00%> (ø)
...s/opentelemetry-propagator-ot-trace/src/version.ts	0.00% <0.00%> (ø)
packages/opentelemetry-host-metrics/src/version.ts	100.00% <100.00%> (ø)

[vmarchaud]

cc @jtmalinowski i believe your comments were addressed, are you okay to merge it ?