Bump jinja2 version required (#3200)

This should ensure that features like `is boolean` are available in
jinja2 used by molecule.

Related: ansible-community/molecule-vagrant#112

setup.cfg

@@ -73,7 +73,7 @@ install_requires =
     cookiecutter >= 1.7.3  # dependency issues in older versions
     dataclasses; python_version<"3.7"
     enrich >= 1.2.5
-    Jinja2 >= 2.10.1
+    Jinja2 >= 2.11.3
     packaging
     paramiko >= 2.5.0, < 3
     pluggy >= 0.7.1, < 1.0