Bump openpyxl from 3.1.2 to 3.1.3

Bumps [openpyxl](https://openpyxl.readthedocs.io) from 3.1.2 to 3.1.3.

---
updated-dependencies:
- dependency-name: openpyxl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements-test.txt

@@ -12,4 +12,4 @@ ete3
 flake8==7.0.0
 
 # For reading HCV rules from an Excel file.
-openpyxl==3.1.2
+openpyxl==3.1.3