Use codecov token for uploading codecov report

[thunderboltsid]

This is to bypass the ratelimits that impact our coverage report upload sporadically.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ba2b194) 15.14% compared to head (d47bc35) 15.21%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #362      +/-   ##
==========================================
+ Coverage   15.14%   15.21%   +0.07%     
==========================================
  Files          17       18       +1     
  Lines        1208     1209       +1     
==========================================
+ Hits          183      184       +1     
  Misses       1025     1025              

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[nutanix-cn-prow-bot]

@thunderboltsid: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-k8s-upgrade	8838695	link	false	/test e2e-k8s-upgrade
ci/prow/e2e-capx-conformance	8838695	link	false	/test e2e-capx-conformance

Full PR test history. Your PR dashboard.

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[adiantum]

/lgtm
/approve

[nutanix-cn-prow-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adiantum, thunderboltsid

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Needs approval from an approver in each of these files:

• OWNERS [adiantum,thunderboltsid]

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