chore: add SVG file to license checker ignoring list

[FeynmanZhou]

What this PR does / why we need it:
I would like to add SVG file to license checker ignoring list since this is graphic files instead of code. There is not necessary to add license check to SVG files.

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 #1619

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 84.37%. Comparing base (3190ffc) to head (9b0f4c5).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1620      +/-   ##
==========================================
- Coverage   84.41%   84.37%   -0.04%     
==========================================
  Files         120      120              
  Lines        5460     5460              
==========================================
- Hits         4609     4607       -2     
- Misses        604      606       +2     
  Partials      247      247              

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[TerryHowe]

/lgtm

[Wwwsylvia]

LGTM