chore: fix tsc errors

[alexzhang1030]

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[netlify]

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🔨 Latest commit	217b570
🔍 Latest deploy log	https://app.netlify.com/sites/vue-devtools-docs/deploys/67239d0d9c59d800082ce875

[pkg-pr-new]

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@vue/devtools-applet

pnpm add https://pkg.pr.new/@vue/devtools-applet@667

@vue/devtools-core

pnpm add https://pkg.pr.new/@vue/devtools-core@667

@vue/devtools

pnpm add https://pkg.pr.new/@vue/devtools@667

@vue/devtools-api

pnpm add https://pkg.pr.new/@vue/devtools-api@667

@vue/devtools-kit

pnpm add https://pkg.pr.new/@vue/devtools-kit@667

vite-plugin-vue-devtools

pnpm add https://pkg.pr.new/vite-plugin-vue-devtools@667

commit: 217b570