fix: update Azure build steps

[akashsinghal]

Description

What this PR does / why we need it:

Azure e2e tests are failing since the image built by the test is now the base image without the required external plugin binaries. This PR adds the required build args.

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

Fixes #

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Helm Chart Change (any edit/addition/update that is necessary for changes merged to the main branch)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Test A
• Test B

Checklist:

• Does the affected code have corresponding tests?
• Are the changes documented, not just with inline documentation, but also with conceptual documentation such as an overview of a new feature, or task-based documentation like a tutorial? Consider if this change should be announced on your project blog.
• Does this introduce breaking changes that would require an announcement or bumping the major version?
• Do all new files have appropriate license header?

Post Merge Requirements

• MAINTAINERS: manually trigger the "Publish Package" workflow after merging any PR that indicates Helm Chart Change

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (46a76e8) 54.96% compared to head (5f0809b) 54.96%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #882   +/-   ##
=======================================
  Coverage   54.96%   54.96%           
=======================================
  Files          80       80           
  Lines        4739     4739           
=======================================
  Hits         2605     2605           
  Misses       1850     1850           
  Partials      284      284           

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[akashsinghal]

@binbin-li could I get a review when you get a chance?

[akashsinghal]

I verified on my local fork that the Azure e2e tests pass now

[binbin-li]

thanks for the fix!