Update selectolax from 0.3.5 to 0.3.6

Author: pyup-bot

requirements/pip.txt

@@ -51,7 +51,7 @@ GitPython==3.1.18  # pyup: ignore
 elasticsearch==7.16.0  # pyup: <8.0.0
 elasticsearch-dsl==7.4.0  # pyup: <8.0
 django-elasticsearch-dsl==7.2.1  # pyup: <8.0
-selectolax==0.3.5
+selectolax==0.3.6
 
 # embed
 pyquery==1.4.3