fix: auto-config of baggage propagator

[joekhoobyar]

Which problem is this PR solving?

• When supplying OTEL_PROPAGATORS via an env var, baggage is mistakenly mapped to to the W3CTraceContextPropagator

Short description of the changes

• properly map baggage to to the W3CBaggagePropagator

[linux-foundation-easycla]

• ✅login: joekhoobyar / (ae9340e)

The committers listed above are authorized under a signed CLA.

[pichlermarc]

oof, good catch - thanks for fixing this 👍

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 90.68%. Comparing base (dfb2dff) to head (ae9340e).
Report is 234 commits behind head on main.

Files with missing lines	Patch %	Lines
...ckages/auto-configuration-propagators/src/utils.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2425      +/-   ##
==========================================
- Coverage   90.97%   90.68%   -0.30%     
==========================================
  Files         146      156      +10     
  Lines        7492     7632     +140     
  Branches     1502     1575      +73     
==========================================
+ Hits         6816     6921     +105     
- Misses        676      711      +35     

Files with missing lines	Coverage Δ
...ckages/auto-configuration-propagators/src/utils.ts	85.29% <0.00%> (ø)

... and 76 files with indirect coverage changes