fix(typo): Fix typo in Resource.default docstring

[yehonatanz]

Which problem is this PR solving?

A meaningless typo in Resource.default docstring that bothered me.

Type of change

• [V] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Using my browser spellchecker.

Checklist:

• [V] Followed the style guidelines of this project

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: yehonatanz (88eb426)

[codecov]

Codecov Report

Merging #3547 (88eb426) into main (5127371) will decrease coverage by 0.02%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3547      +/-   ##
==========================================
- Coverage   93.80%   93.79%   -0.02%     
==========================================
  Files         249      249              
  Lines        7640     7640              
  Branches     1589     1589              
==========================================
- Hits         7167     7166       -1     
- Misses        473      474       +1     

Impacted Files	Coverage Δ
packages/opentelemetry-resources/src/Resource.ts	100.00% <ø> (ø)
...-trace-base/src/platform/node/RandomIdGenerator.ts	87.50% <0.00%> (-6.25%)	⬇️

[yehonatanz]

Looks like merging this will require applying the Skip Changelog label, which I don't seem to have permissions to do.
@legendecas @blumamir @Flarna Would any of you be so kind as to apply it? (Unless of course you think this change warrants a changelog entry)

[pichlermarc]

Thanks for fixing this 🙂