chore(deps-dev): bump babel-plugin-istanbul from 6.1.1 to 7.0.0 (#3053)

Bumps [babel-plugin-istanbul](https://github.com/istanbuljs/babel-plugin-istanbul) from 6.1.1 to 7.0.0.
- [Release notes](https://github.com/istanbuljs/babel-plugin-istanbul/releases)
- [Changelog](https://github.com/istanbuljs/babel-plugin-istanbul/blob/master/CHANGELOG.md)
- [Commits](istanbuljs/babel-plugin-istanbul@v6.1.1...v7.0.0)

---
updated-dependencies:
- dependency-name: babel-plugin-istanbul
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -144,7 +144,7 @@
     "assert": "=2.1.0",
     "babel-loader": "=9.1.3",
     "babel-plugin-annotate-pure-calls": "0.4.0",
-    "babel-plugin-istanbul": "6.1.1",
+    "babel-plugin-istanbul": "7.0.0",
     "better-npm-run": "0.1.1",
     "chai": "5.1.1",
     "codecov": "3.8.3",