fix(component-meta): add new fileName in updateFile

[Akryum]

Calling updateFile should make sure the fileName is added to the list of files to prevent the following error:

Could not find main source file 

[pkg-pr-new]

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vue-component-meta

npm i https://pkg.pr.new/vuejs/language-tools/vue-component-meta@5438 

vue-component-type-helpers

npm i https://pkg.pr.new/vuejs/language-tools/vue-component-type-helpers@5438 

@vue/language-core

npm i https://pkg.pr.new/vuejs/language-tools/@vue/language-core@5438 

@vue/language-plugin-pug

npm i https://pkg.pr.new/vuejs/language-tools/@vue/language-plugin-pug@5438 

@vue/language-server

npm i https://pkg.pr.new/vuejs/language-tools/@vue/language-server@5438 

@vue/language-service

npm i https://pkg.pr.new/vuejs/language-tools/@vue/language-service@5438 

vue-tsc

npm i https://pkg.pr.new/vuejs/language-tools/vue-tsc@5438 

@vue/typescript-plugin

npm i https://pkg.pr.new/vuejs/language-tools/@vue/typescript-plugin@5438 

commit: 8ccb216