Correct the Used by number in repo homepage

[chenjiahan]

Currently the Used by not truly reflect the number of projects using SWC:

I recommend showing the dependent count of @swc/core, which should be 464k instead of 6k.

You can go to the Code security and analysis setting page to configure it:

@kdy1 cc

[kdy1]

I configured it. Thank you! I didn't know that I can change it.