e2e tests - fix helm deploy test

[eddycharly]

Fixing #2367

Switched from helm v2 to v3, easier to setup/remove.
Got rid of the load balancer by moving the connection test in a task instead of trying to connect from the test runner.

Had to allow a 1m time window to connect but that doesn't really make sense, as the chart is installed with --wait the service should be up and running when the helm install task terminates, we should be able to connect to it without waiting.

[tekton-robot]

Hi @eddycharly. Thanks for your PR.

I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[eddycharly]

/cc @sbwsg

[ghost]

/ok-to-test

[eddycharly]

/test pull-tekton-pipeline-integration-tests

[eddycharly]

/test pull-tekton-pipeline-integration-tests

[eddycharly]

/cc @afrittoli

[ghost]

Fantastic, thanks!

[vdemeester]

/lgtm

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbwsg, vdemeester

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