chore(deps): update dependency babel-plugin-istanbul to v7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
babel-plugin-istanbul	6.0.0 -> 7.0.0

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Release Notes

istanbuljs/babel-plugin-istanbul (babel-plugin-istanbul)

v7.0.0

Compare Source

⚠ BREAKING CHANGES

• Drop support for Node versions 8 and 10

Bug Fixes

• container is falsy error with block scoping transform (#​291) (8e76919)
• update istanbul-lib-instrument to v6 (#​292) (643e080)

6.1.1 (2021-10-16)

Bug Fixes

• build: first automated publication (9a1b893)

v6.1.1

Compare Source

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Configuration

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[coveralls]

coverage: 32.315%. remained the same
when pulling 71ec679 on renovate/babel-plugin-istanbul-7.x
into 424a858 on master.