Update owlready2 requirement

Updates the requirements on [owlready2](https://bitbucket.org/jibalamy/owlready2) to permit the latest version.
- [Commits](https://bitbucket.org/jibalamy/owlready2/branches/compare/v0.47..v0.28)

---
updated-dependencies:
- dependency-name: owlready2
  dependency-type: direct:production
...

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

requirements.txt

@@ -4,7 +4,7 @@ defusedxml>=0.7.1,<1
 graphviz>=0.16,<0.21
 numpy>=1.19.5,<3
 openpyxl>=3.0.9,<3.2
-Owlready2>=0.28,!=0.32,!=0.34,<0.45
+Owlready2>=0.28,!=0.32,!=0.34,<0.48
 packaging>=21.0,<25
 pandas>=1.2,<2.3
 Pygments>=2.7.4,<3