fix(doc): resolve example error for oras tag

[qweeah]

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #1418

Please check the following list:

• Does the affected code have corresponding tests, e.g. unit test, E2E test?
• Does this change require a documentation update?
• Does this introduce breaking changes that would require an announcement or bumping the major version?
• Do all new files have an appropriate license header?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.33%. Comparing base (0bbd881) to head (ad381b4).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1419      +/-   ##
==========================================
+ Coverage   85.28%   85.33%   +0.05%     
==========================================
  Files         106      106              
  Lines        3798     3798              
==========================================
+ Hits         3239     3241       +2     
+ Misses        335      333       -2     
  Partials      224      224              

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[shizhMSFT]

LGTM