Bump @codecov/rollup-plugin from 1.9.1 to 2.0.0

Bumps @codecov/rollup-plugin from 1.9.1 to 2.0.0.

---
updated-dependencies:
- dependency-name: "@codecov/rollup-plugin"
  dependency-version: 2.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]