check-before-deployment: add selinux

[dveeden]

See also:

• https://docs.pingcap.com/tidb/stable/deploy-a-dm-cluster-using-tiup
• https://docs.pingcap.com/tidb/stable/tiup-component-cluster-check#selinux

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[qiancai]

Rest LGTM

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-16 13:50:40.931127947 +0000 UTC m=+878431.019930490: ☑️ agreed by hfxsd.
• 2024-12-18 02:44:38.673944123 +0000 UTC m=+1011268.762746665: ☑️ agreed by qiancai.

[hfxsd]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #19738.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.5: #19739.