Typo in Cloud storage bucket metadata location type (mutli-region) (#6648)

[crashdump]

This is a fix for a simple typo, see ticket #6648

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[tonyjhuang]

Thanks for the fix!

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (5a46646) 54.17% compared to head (703c30f) 54.18%.

Files	Patch %	Lines
src/emulator/storage/metadata.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6649   +/-   ##
=======================================
  Coverage   54.17%   54.18%           
=======================================
  Files         347      347           
  Lines       24130    24130           
  Branches     4976     4976           
=======================================
+ Hits        13073    13075    +2     
+ Misses       9857     9855    -2     
  Partials     1200     1200           

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