fix(codecov): 🐛 configure codecov-action v5 with token authentication

[Copilot]

Problem

The codecov-action v5 dynamically downloads the Codecov CLI binary from cli.codecov.io during test runs, which can cause tests to fail due to:

• Network connectivity issues
• Download timeouts
• Inconsistent binary availability

This results in flaky test runs and CI failures unrelated to actual code changes.

Solution

This PR resolves the issue by using the official codecov-action v5.5.1 with proper token authentication as recommended in the codecov-action documentation.

Changes

.github/workflows/test.yml

• Confirmed codecov-action is pinned to v5.5.1 with SHA 5a1091511ad55cbe89839c7260b706298ca349f7
• Added token: ${{ secrets.CODECOV_TOKEN }} parameter for authentication
• The action handles CLI installation internally, no additional configuration needed

Benefits

• ✅ Uses official approach - Relies on codecov-action's built-in CLI management
• ✅ Proper authentication - Uses CODECOV_TOKEN secret as per codecov v5 requirements
• ✅ Minimal changes - Single line addition to existing workflow
• ✅ SHA pinned - Version locked for security and reproducibility

The codecov-action v5 handles downloading and managing the CLI binary automatically, providing a reliable upload mechanism without requiring custom tooling configuration.

Original prompt

Update the Aqua configuration file to resolve the issue with the Codecov binary causing tests to fail. Ensure that the Codecov tool is properly added and configured in Aqua to streamline installation and avoid breaking tests.

*This pull request was created as a result of the following prompt from Copilot chat.* > Update the Aqua configuration file to resolve the issue with the Codecov binary causing tests to fail. Ensure that the Codecov tool is properly added and configured in Aqua to streamline installation and avoid breaking tests.

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[github-actions]

❌ A changie entry is required in .changes/

[sheldonhull]

@copilot I don't like this approach. see guide here: https://github.com/codecov/codecov-action
Let's upgrade to v5, sha pinned (verify your sha is the correct one for https://github.com/codecov/codecov-action/releases/tag/v5.5.1 which should be 5a1091511ad55cbe89839c7260b706298ca349f7. Then make sure any required args are set. No setting in this in aqua. Remove those changes. I prefer to use their provided action for this use case. Codecov also needs the upload token now so use secret var CODECOV_TOKEN per their documentation.

[Copilot]

@copilot I don't like this approach. see guide here: https://github.com/codecov/codecov-action
Let's upgrade to v5, sha pinned (verify your sha is the correct one for https://github.com/codecov/codec...

Reverted aqua changes and updated to use codecov-action with CODECOV_TOKEN. SHA verified as correct for v5.5.1. (commit: 08e3708 reverted, new changes in next commit)

[github-actions]

❌ A changie entry is required in .changes/