✨ tilt: add podman support

[bengentil]

What this PR does / why we need it:

This PR adds the support for running tilt with podman

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

[k8s-ci-robot]

Hi @bengentil. Thanks for your PR.

I'm waiting for a kubernetes-sigs 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.

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[fabriziopandini]

Thanks for this PR, great to see this happening!

[fabriziopandini]

/ok-to-test

[fabriziopandini]

tested locally with mac/docker (no regressions)
/lgtm
great work!

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 0fe3f8c3fdd54b517b0c7603764dd1afeddd07fc

[fabriziopandini]

cc @sbueringer

[sbueringer]

Also works on Ubuntu / Docker

Thx!

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sbueringer

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