fix(cli): add template-vite-typescript to Forge's core dependencies

[erickzhao]

Summarize your changes:

In order to install a template from the electron-forge init command, the template needs to be a dependency of the @electron-forge/core package.

Closes #3304

See:

success Installed "create-electron-app@6.4.0" with binaries:
      - create-electron-app
  electron-forge:init Initializing in: /Users/erick.zhao/640-test-app +0ms
[STARTED] Locating custom template: "vite-typescript"
  electron-forge:init:find-template Trying global template: electron-forge-template-vite-typescript +0ms
  electron-forge:init:find-template Error: get-installed-path: module not found "electron-forge-template-vite-typescript" in path /Users/erick.zhao/.nvm/versions/node/v16.20.1/lib/node_modules/electron-forge-template-vite-typescript +1ms
  electron-forge:init:find-template Trying global template: @electron-forge/template-vite-typescript +0ms
  electron-forge:init:find-template Error: get-installed-path: module not found "@electron-forge/template-vite-typescript" in path /Users/erick.zhao/.nvm/versions/node/v16.20.1/lib/node_modules/@electron-forge/template-vite-typescript +0ms
  electron-forge:init:find-template Trying local template: electron-forge-template-vite-typescript +0ms
  electron-forge:init:find-template Error: Cannot find module 'electron-forge-template-vite-typescript'
  electron-forge:init:find-template Require stack:
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/init-scripts/find-template.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/init.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/index.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/cli/dist/electron-forge-init.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/create-electron-app/dist/index.js +0ms
  electron-forge:init:find-template Trying local template: @electron-forge/template-vite-typescript +0ms
  electron-forge:init:find-template Error: Cannot find module '@electron-forge/template-vite-typescript'
  electron-forge:init:find-template Require stack:
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/init-scripts/find-template.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/init.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/index.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/cli/dist/electron-forge-init.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/create-electron-app/dist/index.js +1ms
  electron-forge:init:find-template Trying local template: vite-typescript +0ms
  electron-forge:init:find-template Error: Cannot find module 'vite-typescript'
  electron-forge:init:find-template Require stack:
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/init-scripts/find-template.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/init.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/core/dist/api/index.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/@electron-forge/cli/dist/electron-forge-init.js
  electron-forge:init:find-template - /Users/erick.zhao/.config/yarn/global/node_modules/create-electron-app/dist/index.js +0ms
[FAILED] Failed to locate custom template: "vite-typescript"
[FAILED]
[FAILED] Try `npm install -g @electron-forge/template-vite-typescript`

On a side note, asking users to install the template globally as a workaround could work, but seems like a very bad code smell.