fix: update kubernetes dependencies to v0.29.0 to address CVE-2023-44487

[guptas6est]

Description

Upgraded Kubernetes dependencies to v0.29.0 to patch CVE-2023-44487, which fixes the HTTP/2 Rapid Reset DoS vulnerability.
This update ensures Consul remains secure against potential denial-of-service (DoS) attacks caused by malicious HTTP/2 traffic.

Changes made in:

• go.mod
• go.sum

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Testing & Reproduction steps

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Links

• CVE-2023-44487 - HTTP/2 Rapid Reset DoS

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PR Checklist

• updated test coverage
• external facing docs updated
• appropriate backport labels added
• not a security concern

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PCI review checklist

• I have documented a clear reason for, and description of, the change I am making.
• If applicable, I've documented a plan to revert these changes if they require more than reverting the pull request.
• If applicable, I've documented the impact of any changes to security controls.

[hashicorp-cla-app]

All committers have signed the CLA.