fix(compiler-sfc): throw mismatched script langs error before invoking babel (fix #13193)

[adrianbrs]

Previously, babel would throw a misleading error if <script> and <script setup> used different lang values. Now, the compiler checks for language mismatch first and throws a clear error before invoking babel.

Close #13193

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After:

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	100 kB	38.1 kB	34.4 kB
vue.global.prod.js	158 kB	58.3 kB	51.9 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	46.4 kB	18.1 kB	16.6 kB
createApp	54.4 kB	21.2 kB	19.4 kB
createSSRApp	58.6 kB	22.9 kB	20.9 kB
defineCustomElement	59.2 kB	22.7 kB	20.7 kB
overall	68.5 kB	26.3 kB	24 kB

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commit: 755ce70