fix(deps): pinned babel dependency for babel loose problem

[aldy505]

Pinned the dependency of @babel/core and @babel/preset-env on @nuxt/webpack and @nuxt/babel-preset-app packages (instead of using caret). There is a minor release (7.14.0) on Babel's side that cause a bug with freshly installed Nuxt app. See #9224

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Resolves: #9224

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly. (PR: #)
• I have added tests to cover my changes (if not applicable, please state why) - No code changes
• All new and existing tests are passing.

[clarkdo]

Thanks, this issue has been fixed in #9232