Add containerSecurityContext for addonResizer

[the-technat]

What this PR does / why we need it: Align securityContext of metrics-server with securityContext of metrics-server-nanny (for restricted environments ;)).

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: the-technat / name: Nathanael Liechti (1777291)

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[k8s-ci-robot]

Hi @the-technat. Thanks for your PR.

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[cpanato]

/ok-to-test

[the-technat]

/retest

[the-technat]

@cpanato seems like the failed test also fails on other PRs?

[dgrisonnet]

/assign
/triage accepted

[stevehipwell]

@the-technat you need to rebase as your actions are all out of date.

[stevehipwell]

/retest

[stevehipwell]

@the-technat this looks good from the Helm chart perspective.

/lgtm

[the-technat]

/assign @serathius

[stevehipwell]

/retest

[stevehipwell]

/retest

[cpanato]

/lgtm

[serathius]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cpanato, serathius, the-technat

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