Import centos bootstrap os task for Alma/Rocky Linux

[root-expert]

What type of PR is this?
/kind bug

What this PR does / why we need it:

Rocky tasks are missing from the bootstrap_os role causing issues with kubespray installation when the cluster is behind a proxy.

Which issue(s) this PR fixes:
Fixes #11528

Does this PR introduce a user-facing change?:

Fixed packages installation on Alma/Rocky Linux when behind a proxy

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: root-expert / name: Christos Papageorgiou (411e63c)

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[k8s-ci-robot]

Hi @root-expert. Thanks for your PR.

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[tmurakam]

/ok-to-test

[tmurakam]

I think you should add almalinux.yml too.

[root-expert]

@tmurakam Thanks for the suggestions, I incorporated them.

[tmurakam]

/lgtm

[yankay]

Thanks @root-expert
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: root-expert, yankay

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[Woo-Yeol]

Oops... I wrote the same code as the PR code in the issue and didn't think to PR it.