build: bump rnapolis from 0.3.17 to 0.4.6

Bumps [rnapolis](https://github.com/tzok/rnapolis-py) from 0.3.17 to 0.4.6.
- [Release notes](https://github.com/tzok/rnapolis-py/releases)
- [Commits](tzok/rnapolis-py@0.3.17...0.4.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,4 +1,4 @@
 mmcif==0.90.0
 numpy==1.26.4
 orjson==3.10.11
-rnapolis==0.3.17
+rnapolis==0.4.6