[Bugfix] cache server yaml err

[yyzxw]

FILL IN THE PR DESCRIPTION HERE

FIX #676

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[gemini-code-assist]

Summary of Changes

Hello @yyzxw, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a configuration error within the Helm chart for the cache server. It ensures that the deployment correctly references the intended cache server executable, resolving a potential issue where the wrong binary might have been launched.

Highlights

• Cache Server Configuration: Updated the Helm deployment template for the cache server to use the correct executable name, lmcache_v0_server, instead of lmcache_experimental_server for latest and default tags.

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[gemini-code-assist]

Code Review

This pull request correctly updates the cache server executable name from lmcache_experimental_server to lmcache_v0_server in the Helm chart, which appears to be a necessary bugfix. My review includes a suggestion to refactor the Helm template logic for better maintainability. Additionally, I've noticed that another file outside of this PR's scope, operator/internal/controller/cacheserver_controller.go, still uses the old executable name. It would be beneficial to update that as well to ensure consistency between Helm and operator-based deployments.