fix: add codecov token env var to Azure pipeline

[CecileRobertMichon]

Reason for Change:

The Azure pipeline for E2E needs the codecov token set as an env var to upload results.

Issue Fixed:

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CecileRobertMichon

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [CecileRobertMichon]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@f045594). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #230   +/-   ##
=========================================
  Coverage          ?   53.21%           
=========================================
  Files             ?       95           
  Lines             ?    14233           
  Branches          ?        0           
=========================================
  Hits              ?     7574           
  Misses            ?     5993           
  Partials          ?      666