feat: allow skipping higress dev image build during wasmplugin e2e tests

[cr7258]

Ⅰ. Describe what this PR did

Allow skipping the higress-controller dev image build during wasmplugin E2E tests, because if a user only wants to test the wasmplugin, it is unnecessary to build the higress-controller dev image from scratch.

Ⅱ. Does this pull request fix one issue?

fixes #2238

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.81%. Comparing base (ef31e09) to head (506fd2e).
Report is 509 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2264      +/-   ##
==========================================
+ Coverage   35.91%   45.81%   +9.89%     
==========================================
  Files          69       79      +10     
  Lines       11576    12912    +1336     
==========================================
+ Hits         4157     5915    +1758     
+ Misses       7104     6650     -454     
- Partials      315      347      +32     

see 77 files with indirect coverage changes

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[johnlanni]

LGTM