Fixing multiple flaky test failures due to timeout, version updates, script changes

[pajay-rao]

This PR fixes multiple small issues on GitHub workflows.
Tests are flaky due to multiple issues including test timeouts, terraform version updates and terraform script updates.

This PR reduces the flaky failure of the tests but still there are issues which surface randomly.

Executions:
https://github.com/hashicorp/consul-k8s-workflows/actions/runs/15069649253/attempts/1

Changes proposed in this PR

How I've tested this PR

How I expect reviewers to test this PR

Checklist

• Tests added
• CHANGELOG entry added

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[anandmukul93]

Can you look at the version bumps for eks and is the time for retries going to be enough ?

[anandmukul93]

Check the pr cloud acceptance workflow already fires the acceptance tests on consul-k8s-workflows via some test workflow. This will be redundant and wont be required.