feat: more thread safe behaviour with Arc

[codecov[bot]]

Codecov Report

Patch coverage: 79.77% and project coverage change: -0.11 :warning:

Comparison is base (94706de) 88.56% compared to head (fd36e80) 88.45%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #114 +/- ## ========================================== - Coverage 88.56% 88.45% -0.11% ========================================== Files 19 19 Lines 8018 8040 +22 ========================================== + Hits 7101 7112 +11 - Misses 917 928 +11 ``` | [Impacted Files](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth) | Coverage Δ | | |---|---|---| | [src/static\_data/mod.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3N0YXRpY19kYXRhL21vZC5ycw==) | `100.00% <ø> (ø)` | | | [src/data/uta\_sr.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL2RhdGEvdXRhX3NyLnJz) | `55.00% <50.00%> (+0.67%)` | :arrow_up: | | [src/normalizer.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL25vcm1hbGl6ZXIucnM=) | `69.66% <54.54%> (-0.67%)` | :arrow_down: | | [src/data/cdot/json.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL2RhdGEvY2RvdC9qc29uLnJz) | `93.50% <66.66%> (ø)` | | | [src/mapper/assembly.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hc3NlbWJseS5ycw==) | `75.41% <75.00%> (-0.32%)` | :arrow_down: | | [src/mapper/variant.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci92YXJpYW50LnJz) | `90.56% <91.17%> (-0.14%)` | :arrow_down: | | [src/mapper/alignment.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hbGlnbm1lbnQucnM=) | `90.50% <100.00%> (+0.06%)` | :arrow_up: | | [src/mapper/altseq.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hbHRzZXEucnM=) | `93.29% <100.00%> (+0.04%)` | :arrow_up: | | [src/validator/mod.rs](https://app.codecov.io/gh/bihealth/hgvs-rs/pull/114?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3ZhbGlkYXRvci9tb2QucnM=) | `62.29% <100.00%> (ø)` | |

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