fix: parse CPU value for progress component in monitoring dashboard

[SteadEXE]

What is this PR about?

Please describe in a short paragraph what this PR is about.

It fixes the progress bar being empty for CPU usage in monitoring dashboard

Checklist

Before submitting this PR, please make sure that:

• You created a dedicated branch based on the canary branch.
• You have read the suggestions in the CONTRIBUTING.md file https://github.com/Dokploy/dokploy/blob/canary/CONTRIBUTING.md#pull-request
• You have tested this PR in your local instance.

Issues related (if applicable)

Screenshots (if applicable)

[Siumauricio]

This is breaking the app

[SteadEXE]

I forgot to commit the type change

This is how it looks on my end