feat: enable HTTP pull scenario E2E test with DPS

[wolf4ood]

What this PR changes/adds

enable HTTP pull scenario E2E test with DPS

Why it does that

data plane signaling

Further notes

In DataPlaneSignalingApiController the validation for now it's skipped for PULL scenario (otherwise will fail)
and thus the test start_whenInvalidMessage has been disabled, waiting for #3990

Linked Issue(s)

Closes #3989

Please be sure to take a look at the contributing guidelines and our etiquette for pull requests.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 28.57143% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 73.40%. Comparing base (7f20ba5) to head (c2cef93).
Report is 137 commits behind head on main.

Files	Patch %	Lines
...controller/v1/DataPlaneSignalingApiController.java	16.66%	5 Missing ⚠️
...ramework/DataPlaneDefaultIamServicesExtension.java	0.00%	4 Missing ⚠️
...r/dataplane/api/DataPlanePublicApiV2Extension.java	0.00%	1 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3988      +/-   ##
==========================================
+ Coverage   71.74%   73.40%   +1.65%     
==========================================
  Files         919      975      +56     
  Lines       18457    19661    +1204     
  Branches     1037     1105      +68     
==========================================
+ Hits        13242    14432    +1190     
- Misses       4756     4758       +2     
- Partials      459      471      +12     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.