chore(instrumentation-openai): remove unused dev dependency @types/glob

[pichlermarc]

Which problem is this PR solving?

glob includes types in its latest version, also glob is not used in @opentelemetry/instrumentation-openai. The old @types/glob package breaks the package lock sync PR as its types are outdated: see #2989

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.55%. Comparing base (0c07a86) to head (303df47).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3004   +/-   ##
=======================================
  Coverage   89.55%   89.55%           
=======================================
  Files         193      193           
  Lines        9698     9698           
  Branches     2011     2011           
=======================================
  Hits         8685     8685           
  Misses       1013     1013           

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