build: bump mmcif from 0.85.1 to 0.86.0 (#102)

Bumps [mmcif](https://github.com/rcsb/py-mmcif) from 0.85.1 to 0.86.0.
- [Changelog](https://github.com/rcsb/py-mmcif/blob/master/HISTORY.txt)
- [Commits](https://github.com/rcsb/py-mmcif/commits)

---
updated-dependencies:
- dependency-name: mmcif
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,4 +1,4 @@
-mmcif==0.85.1
+mmcif==0.86.0
 numpy==1.26.4
 orjson==3.9.15
 rnapolis==0.3.3