fix: typescript config && format-and-lint

[ndatg]

Fix for #77

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (76b20b2) 95.87% compared to head (e49440e) 95.87%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #78 +/- ## ======================================= Coverage 95.87% 95.87% ======================================= Files 4 4 Lines 849 849 Branches 124 124 ======================================= Hits 814 814 Misses 33 33 Partials 2 2 ``` | [Impacted Files](https://app.codecov.io/gh/grammyjs/conversations/pull/78?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=grammyjs) | Coverage Δ | | |---|---|---| | [src/conversation.ts](https://app.codecov.io/gh/grammyjs/conversations/pull/78?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=grammyjs#diff-c3JjL2NvbnZlcnNhdGlvbi50cw==) | `95.44% <ø> (ø)` | |

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