Update rncore podspec to exclude codegen test files (#24513)
Update rncore podspec to exclude codegen test files (#24513)

Summary:
Related https://github.com/facebook/react-native/commit/bddd9c7d5977b235255af066b18ceade44904920. Exclude these tests files from podspec.

cc. cpojer

[iOS] [Fixed] - Update rncore podspec to exclude codegen test files
Pull Request resolved: https://github.com/facebook/react-native/pull/24513

Differential Revision: D14996897

Pulled By: rickhanlonii

fbshipit-source-id: 28b29f24f482ed678f15c44c5c579ced97ea651f

exponentjs/react-native,hammerandchisel/react-native,javache/react-native,arthuralee/react-native,janicduplessis/react-native,javache/react-native,arthuralee/react-native,janicduplessis/react-native,hoangpham95/react-native,pandiaraj44/react-native,arthuralee/react-native,pandiaraj44/react-native,hoangpham95/react-native,exponentjs/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,pandiaraj44/react-native,hammerandchisel/react-native,janicduplessis/react-native,pandiaraj44/react-native,myntra/react-native,pandiaraj44/react-native,exponent/react-native,pandiaraj44/react-native,exponentjs/react-native,myntra/react-native,exponent/react-native,facebook/react-native,arthuralee/react-native,exponent/react-native,exponent/react-native,javache/react-native,exponentjs/react-native,hoangpham95/react-native,myntra/react-native,exponent/react-native,exponent/react-native,hoangpham95/react-native,janicduplessis/react-native,facebook/react-native,facebook/react-native,myntra/react-native,myntra/react-native,myntra/react-native,javache/react-native,exponent/react-native,janicduplessis/react-native,arthuralee/react-native,exponentjs/react-native,facebook/react-native,hammerandchisel/react-native,facebook/react-native,hoangpham95/react-native,hammerandchisel/react-native,myntra/react-native,exponentjs/react-native,facebook/react-native,hammerandchisel/react-native,exponentjs/react-native,pandiaraj44/react-native,hammerandchisel/react-native,javache/react-native,facebook/react-native,exponentjs/react-native,hoangpham95/react-native,facebook/react-native,facebook/react-native,hammerandchisel/react-native,janicduplessis/react-native,myntra/react-native,myntra/react-native,javache/react-native,hammerandchisel/react-native,hoangpham95/react-native,hoangpham95/react-native,javache/react-native,pandiaraj44/react-native,exponent/react-native