[FEATURE] Download Stats

**Is your feature request related to a problem? Please describe.**

I want to know how many times version-checker is downloaded.

**Describe the solution you'd like**

A stat somewhere on the GitHub repo.

**Describe alternatives you've considered**

I don't know any I'll ask cert-manager team.

**Additional context**

N/A

CC @aidy

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**Message from the maintainers**:

If you wish to see this enhancement implemented please add a 👍 reaction to this issue! We often sort issues this way to know what to prioritize.