Update dependency gemmi to >=0.5.5, <=0.5.8

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gemmi	>=0.5.5, <=0.5.7 -> >=0.5.5, <=0.5.8

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[codecov-commenter]

Codecov Report

Merging #201 (3443fe9) into main (2d6fa0e) will not change coverage. The diff coverage is n/a.

:mega: This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@           Coverage Diff           @@
##             main     #201   +/-   ##
=======================================
  Coverage   98.39%   98.39%           
=======================================
  Files          45       45           
  Lines        1803     1803           
=======================================
  Hits         1774     1774           
  Misses         29       29           

Flag	Coverage Δ
unittests	98.39% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more