Check process.env warning is not too aggressive and is checking only the files it needs to

[gavinmcfarland]

[WARNING] ⚠️  Found usage of process.env in your code, which is no longer supported by default.
[WARNING] You need to:
[WARNING] 1. Update your .env variables to use VITE_ prefix
[WARNING] 2. Change process.env.VARIABLE to import.meta.env.VITE_VARIABLE in your code
[WARNING] 
[WARNING] Example migration:
[WARNING]   .env file:
[WARNING]   - SOME_KEY=123
[WARNING]   + VITE_SOME_KEY=123
[WARNING] 
[WARNING]   Your code:
[WARNING]   - console.log(process.env.SOME_KEY)
[WARNING]   + console.log(import.meta.env.VITE_SOME_KEY)
[WARNING] 
[WARNING] See migration guide: https://github.com/gavinmcfarland/plugma/blob/main/docs/migration/v2/README.md