fix(compiler-core/v-on): support inline handlers w/ type annotations in parameters

[jh-leong]

close #11615

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	98.7 kB	37.4 kB	33.7 kB
vue.global.prod.js	156 kB (+14 B)	57.2 kB (+9 B)	50.8 kB (+29 B)

Usages

Name	Size	Gzip	Brotli
createApp	54.1 kB	21 kB	19.1 kB
createSSRApp	58.1 kB	22.6 kB	20.6 kB
defineCustomElement	58.8 kB	22.5 kB	20.5 kB
overall	67.7 kB	26 kB	23.7 kB

[yyx990803]

The regex-based fix is unsound, so I decided to go with AST-based check in non-browser builds. When compiling in browser, there won't be TS syntax anyway.

See 5861229