fix(deps): update babel monorepo to v7.15.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/core (source)	7.15.5 -> 7.15.8
@babel/plugin-proposal-decorators (source)	7.15.4 -> 7.15.8
@babel/plugin-transform-runtime (source)	7.15.0 -> 7.15.8
@babel/preset-env (source)	7.15.6 -> 7.15.8

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Release Notes

babel/babel

v7.15.8

Compare Source

👓 Spec Compliance

• babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​13788 Sort module export names (@​JLHwung)
• babel-parser
  • #​13769 Tokenize keywords-like identifier as new tokens (@​JLHwung)

🐛 Bug Fix

• babel-generator
  • #​13821 Fix missing inner comments in class expressions (@​overlookmotel)
• babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator
  • #​13803 Collect comments around parentheses in expressions (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​13800 fix: remove imported types from export (@​JLHwung)

💅 Polish

• babel-core
  • #​13814 Improve debug logging for IgnoreList (@​paleite)
• babel-node
  • #​13784 [@​babel/node] Forward the signal SIGTERM as well (@​julienw)

🏠 Internal

• #​13808 Update parser plugins for TypeScript tests (@​sosukesuzuki)
• #​13795 Fix Gulpfile path separator issue on Windows (@​NotWearingPants)

🏃‍♀️ Performance

• babel-code-frame
  • #​13812 Optimization of string splitting (@​shoonia)

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