Add data for gcp-credential-manager

[anisurrahman75]

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[Copilot]

Pull request overview

This pull request adds a new vanity URL mapping for the gcp-credential-manager project to the Go vanity URL service. The change allows Go imports to use the custom domain go.klusters.dev for the gcp-credential-manager repository.

Changes:

• Added /gcp-credential-manager path mapping pointing to github.com/kluster-api/gcp-credential-manager
• Added .idea to .gitignore to exclude JetBrains IDE configuration files

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
data/vanity.yaml	Added vanity URL mapping for gcp-credential-manager in alphabetical order with correct formatting
.gitignore	Added .idea directory to ignore JetBrains IDE configuration files

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[github-actions]

Visit the preview URL for this PR (updated for commit 588ecf4):

https://cluster-api-govanityurls--pr5-gcp-credential-manag-3fr8omml.web.app

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