fix: requirements

Author: subotic

requirements/requirements.txt

@@ -4,7 +4,7 @@ tqdm
 twine
 mkdocs==1.0.4
 mkdocs-material
-git+https://github.com/RDFLib/rdflib.git
+rdflib
 lxml
 validators
 requests

setup.py

@@ -20,7 +20,7 @@
         "Operating System :: OS Independent",
     ],
     install_requires=[
-        'rdflib @ https://github.com/RDFLib/rdflib/tarball/master#egg=rdflib-5.0.0',
+        'rdflib',
         'lxml',
         'validators',
         'requests',