deps: update dependency charset-normalizer to v2.1.1 (#907)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [charset-normalizer](https://github.com/ousret/charset_normalizer) | `==2.0.12` -> `==2.1.1` | [![age](https://badges.renovateapi.com/packages/pypi/charset-normalizer/2.1.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/charset-normalizer/2.1.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/charset-normalizer/2.1.1/compatibility-slim/2.0.12)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/charset-normalizer/2.1.1/confidence-slim/2.0.12)](https://docs.renovatebot.com/merge-confidence/) |

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