Fix panic while provisioning Azure security group rules

[feiskyer]

What this PR does / why we need it:

kube-controller-manager panic when provisioning Azure security group rules, especially when securityGroupName is wrong configured. This PR fixes the issue.

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 #64716

Special notes for your reviewer:

Should also cherry pick to release-1.10.

Release note:

Fix kube-controller-manager panic while provisioning Azure security group rules

[feiskyer]

/sig azure
/kind bug
/priority important-soon

[feiskyer]

Added to v1.11 milestone since this is a bug fix.

/status approved-for-milestone
/milestone v1.11

[seanknox]

LGTM. Thanks @feiskyer !

[feiskyer]

/retest

[dims]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, feiskyer

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• pkg/cloudprovider/providers/azure/OWNERS [dims,feiskyer]

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[k8s-github-robot]

[MILESTONENOTIFIER] Milestone Pull Request: Up-to-date for process

@dims @feiskyer

Pull Request Labels

• sig/azure: Pull Request will be escalated to these SIGs if needed.
• priority/important-soon: Escalate to the pull request owners and SIG owner; move out of milestone after several unsuccessful escalation attempts.
• kind/bug: Fixes a bug discovered during the current release.

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[k8s-github-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[k8s-github-robot]

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here.