Set label on metal load balancer to allow dns

[gonzolino]

Proposed Changes

• Allow metal-load-balancer-controller-manager to talk to the cluster dns

Summary by CodeRabbit

• Chores
  • Added DNS traffic allowance label to the metal load balancer controller manager deployment configuration.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: d278079a-5710-40f2-a675-3d1c4409916c

📥 Commits

Reviewing files that changed from the base of the PR and between 4a782f7 and 2af3b3e.

📒 Files selected for processing (1)

• charts/internal/seed-controlplane/charts/metal-load-balancer-controller-manager/templates/deployment.yaml

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Walkthrough

A single pod label networking.gardener.cloud/to-dns: allowed was added to the metal-load-balancer-controller-manager deployment template in the Helm chart. No functional logic or configuration changes were made.

Changes

Cohort / File(s)	Summary
Kubernetes Deployment Label charts/internal/seed-controlplane/charts/metal-load-balancer-controller-manager/templates/deployment.yaml	Added network policy label to pod template metadata for DNS networking policy enforcement.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: adding a DNS-related label to the metal load balancer deployment.
Description check	✅ Passed	The description covers the key proposed change but lacks detail in other sections. Only one bullet point provided instead of multiple.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/dns

📝 Coding Plan

• Generate coding plan for human review comments

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