test: fix vite import warning

[ST-DDT]

Fixes the following warning during test:

15:24:06 [vite] warning: invalid import "../dist/locale/${locale}". A file extension must be included in the static part of the import. For example: import(./foo/${bar}.js).
Plugin: vite:dynamic-import-vars
File: ~/faker/test/locale-imports.spec.ts

The warning can be triggered using the following command when this PR is not applied:

pnpm run test test/locale-imports.spec.ts

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.95%. Comparing base (d0f9f67) to head (a1ea4de).
Report is 1 commits behind head on next.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #3248      +/-   ##
==========================================
- Coverage   99.96%   99.95%   -0.01%     
==========================================
  Files        2805     2805              
  Lines      217115   217115              
  Branches      975      970       -5     
==========================================
- Hits       217034   217022      -12     
- Misses         81       93      +12     

see 1 file with indirect coverage changes