Don't explicitly require a service account key for autotls dns tests

[upodroid]

/cc @dprotaso @kvmware

Proposed Changes

• We will be removing service accounts keys from tests and require that all code to authenticate with the Google Application Default Credentials instead of a service account key.

Release Note

NONE

[codecov]

Codecov Report

Base: 86.21% // Head: 86.19% // Decreases project coverage by -0.03% ⚠️

Coverage data is based on head (0051e4c) compared to base (6906c92).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13627      +/-   ##
==========================================
- Coverage   86.21%   86.19%   -0.03%     
==========================================
  Files         197      197              
  Lines       14722    14722              
==========================================
- Hits        12692    12689       -3     
- Misses       1730     1732       +2     
- Partials      300      301       +1     

Impacted Files	Coverage Δ
pkg/reconciler/configuration/configuration.go	82.93% <0.00%> (-1.43%)	⬇️

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[dprotaso]

/test contour-latest

[dprotaso]

contour-latest runs the http-01 tests

https://github.com/knative/test-infra/blob/a207cccfd66d1ddce6906f366267fe424e88608e/prow/jobs_config/knative/serving.yaml#L166-L175

[dprotaso]

/test contour-latest

[upodroid]

/test contour-latest

[krsna-m]

/retest

[dprotaso]

ok - contour-latest didn't run the autotls tests

[dprotaso]

I pulled the patch into - #13621

[dprotaso]

the prow job is configured as follows - so maybe the presubmit-tests.sh script is broken?

  - name: contour-latest
    types: [periodic]
    command:
    - runner.sh
    args:
    - ./test/presubmit-tests.sh
    - --run-test
    - ./test/e2e-tests.sh --contour-version latest
    - --run-test
    - ./test/e2e-auto-tls-tests.sh --contour-version latest --run-http01-auto-tls-tests

[dprotaso]

From the other PR

Successfully set up DNS record

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dprotaso, upodroid

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