Updates v1.31 hugo.toml for release v1.35

[Urvashi0109]

Description

Updating hugo.toml for release v1.35.

/hold until v1.35 release day.

Issue

Closes: #

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[Copilot]

Pull request overview

This PR updates the Hugo configuration file to prepare the Kubernetes documentation website for the v1.35 release. It updates version references, adds the new v1.35 version to the supported versions list, and removes the deprecated v1.30 version to maintain the standard 5-version support window.

Key changes:

• Updates the latest version from v1.34 to v1.35
• Adds v1.35.0 as a new version entry and moves v1.34 to the release branch
• Updates patch versions for all supported releases (v1.31-v1.34)
• Removes v1.30 from the supported versions list

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[Copilot]

The githubbranch value is missing the "v" prefix. It should be "v1.31.14" to match the format used in the versions array at line 214 and all other version entries (lines 190, 196, 202, 208). This inconsistency could cause issues if the code expects a consistent format for githubbranch values.

Suggested change

	githubbranch = "1.31.14"
	githubbranch = "v1.31.14"

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