Prepare v10.1.0 release

[adams85]

Describe the purpose of your pull request

Prepare v10.1.0 release

Requirement checklist (only if applicable)

• [ ] I have covered the applied changes with automated tests.
• [ ] I have executed the full automated test set against my changes.
• [ ] I have validated my changes against all supported platform versions.
• [ ] I have read and accepted the contribution agreement.

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.13% :tada:

Comparison is base (d4df94d) 90.27% compared to head (59134ea) 90.41%.

:exclamation: Current head 59134ea differs from pull request most recent head dc5fcf3. Consider uploading reports for the commit dc5fcf3 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #64 +/- ## ========================================== + Coverage 90.27% 90.41% +0.13% ========================================== Files 3 3 Lines 72 73 +1 Branches 9 10 +1 ========================================== + Hits 65 66 +1 Misses 7 7 ``` | [Files Changed](https://app.codecov.io/gh/configcat/node-sdk/pull/64?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=configcat) | Coverage Δ | | |---|---|---| | [src/client.ts](https://app.codecov.io/gh/configcat/node-sdk/pull/64?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=configcat#diff-c3JjL2NsaWVudC50cw==) | `95.45% <100.00%> (+0.21%)` | :arrow_up: |

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