feat: keep unknown import.meta properties by xiaoxiaojx · Pull Request #20312 · webpack/webpack

Summary
Unknown import.meta properties are now determined at runtime instead of being statically analyzed at compile time.

What kind of change does this PR introduce?
Feat

Did you add tests for your changes?
Yes

Does this PR introduce a breaking change?
No

If relevant, what needs to be documented once your changes are merged or what have you already documented?
Nothing