Update babel monorepo to v7.12.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/cli (source)	7.12.7 -> 7.12.8
@babel/core (source)	7.12.7 -> 7.12.8

---

Release Notes

babel/babel

v7.12.8

Compare Source

🐛 Bug Fix

• babel-traverse
  • #​12390 Avoid infinite loops in type inference logic (@​nicolo-ribaudo)
  • #​12387 Initialize NodePath context when using getSibling (@​nicolo-ribaudo)
• babel-cli
  • #​12382 Fix Node version check (@​Hypnosphi)

🏠 Internal

• #​12372 chore: fix watch config (@​JLHwung)

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[coveralls]

Coverage remained the same at 100.0% when pulling 25af724 on renovate/babel-monorepo into 12c3b22 on master.