fix: force parsing specific columns as float

[Midnighter]

• [x] fix #123
• [x] description of feature/fix
• [x] tests added/passed
• [x] add an entry to the changelog

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (2b77eb3) 82.17% compared to head (17b103d) 82.17%.

:exclamation: Current head 17b103d differs from pull request most recent head 975fb92. Consider uploading reports for the commit 975fb92 to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #124 +/- ## ======================================= Coverage 82.17% 82.17% ======================================= Files 110 110 Lines 1677 1677 Branches 299 299 ======================================= Hits 1378 1378 Misses 255 255 Partials 44 44 ``` | [Impacted Files](https://app.codecov.io/gh/taxprofiler/taxpasta/pull/124?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [...pplication/krakenuniq/krakenuniq\_profile\_reader.py](https://app.codecov.io/gh/taxprofiler/taxpasta/pull/124?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3RheHBhc3RhL2luZnJhc3RydWN0dXJlL2FwcGxpY2F0aW9uL2tyYWtlbnVuaXEva3Jha2VudW5pcV9wcm9maWxlX3JlYWRlci5weQ==) | `100.00% <ø> (ø)` | |

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