Update jinja2 requirement from <3,>=2 to >=2,<4

Updates the requirements on [jinja2](https://github.com/pallets/jinja) to permit the latest version.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@2.0...3.0.3)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

setup.py

@@ -39,7 +39,7 @@
     "transformers>=2.5.0,<5",
     "bottleneck>=1.2.1,<2",
     "category_encoders>=1.3.0,<2",
-    "jinja2>=2,<3",
+    "jinja2>=2,<4",
     "pyyaml>=5.4.1,<6",
     "requests>=2.0.0,<3",
     "cornac>=1.1.2,<2",