chore: update dependencies

[pi0]

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)

closes #10512

Description

• All dependencies updated in their current semver-major range
• Migrate from node-fetch v2 to unjs/node-fetch-native
• CI: Set minimum testing Node.js version to v14 as v12 is EOL
• Update monorepo dependencies
• Upgrade ESLint packages and avoid using unmaintained babel parser
• Dependencies with semver-major bump: defu (5 -> 6), crc (3 -> 4 - needs exports field resolution), ufo (0.7 => 0.8)
• Improve @nuxt/types
  • Types for sass-loader inlined due to version conflicts
  • Extra node-sass dependency removed from types
  • Using mock for webpack-dev-middleware compatibility with webpack@4 types
  • Update stalled @types/ dependencies
  • Always use import type
• Lock file renovated
• Tests
  • nuxt-loading unit test with sfc import error (migrated to @vue/vue2-jest
  • -ms-grid prefix removed from extract-css test
  • Fixed dev/error failing
  • Fixed windows unit tests (jest strange regression with mocking of built-ins)

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)
• All new and existing tests are passing.

[codecov-commenter]

Codecov Report

Merging #10510 (ce9ed60) into dev (8b23e17) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev   #10510      +/-   ##
==========================================
+ Coverage   65.15%   65.19%   +0.04%     
==========================================
  Files          94       94              
  Lines        4155     4155              
  Branches     1172     1172              
==========================================
+ Hits         2707     2709       +2     
+ Misses       1169     1167       -2     
  Partials      279      279              

Flag	Coverage Δ
unittests	65.19% <100.00%> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/cli/src/utils/generate.js	0.00% <ø> (ø)
packages/cli/src/utils/serve.js	72.41% <100.00%> (ø)
packages/core/src/module.js	94.84% <0.00%> (+1.03%)	⬆️
packages/core/src/nuxt.js	95.45% <0.00%> (+2.27%)	⬆️

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[pi0]

Feeling of green mark ^_^