feat: bump dependencies and align AST

[bradzacher]

• bump deps
• fix breakages
• align AST with babel:
  • export default now has an exportKind property
  • declared things are now treated as exportKind: "type"

[typescript-eslint]

Thanks for the PR, @bradzacher!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #2007 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2007   +/-   ##
=======================================
  Coverage   93.91%   93.92%           
=======================================
  Files         171      171           
  Lines        7789     7799   +10     
  Branches     2240     2243    +3     
=======================================
+ Hits         7315     7325   +10     
  Misses        217      217           
  Partials      257      257           

Flag	Coverage Δ
#unittest	93.92% <100.00%> (+<0.01%)	⬆️

Impacted Files	Coverage Δ
packages/experimental-utils/src/json-schema.ts	100.00% <ø> (ø)
packages/typescript-estree/src/convert.ts	99.15% <100.00%> (+<0.01%)	⬆️
packages/eslint-plugin/src/rules/no-type-alias.ts	100.00% <0.00%> (ø)
...kages/eslint-plugin/src/rules/no-base-to-string.ts	98.30% <0.00%> (+0.30%)	⬆️