Restore scripts/get-tracking-version.js deleted by accident

[yurishkuro]

Which problem is this PR solving?

• Error during build

> jaeger-ui
$ NODE_ENV=production REACT_APP_VSN_STATE=$(../../scripts/get-tracking-version.js) vite build
/bin/sh: ../../scripts/get-tracking-version.js: No such file or directory

Description of the changes

• Restore the file which may have been accidentally deleted in Prepare release v1.34.0 #1849

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (fa32e90) 96.54% compared to head (6365144) 96.54%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1998   +/-   ##
=======================================
  Coverage   96.54%   96.54%           
=======================================
  Files         256      256           
  Lines        7604     7604           
  Branches     1978     1978           
=======================================
  Hits         7341     7341           
  Misses        263      263           

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