Update dependencies

- attrs from 20.3.0 to 21.2.0
- jinja2 from 2.11.3 to 3.0.2

requirements.txt

@@ -3,7 +3,7 @@ aiohttp==3.7.4
 aiohttp-socks==0.5.5
 arabic-reshaper==2.1.1
 async-timeout==3.0.1
-attrs==20.3.0
+attrs==21.2.0
 certifi==2020.12.5
 chardet==3.0.4
 colorama==0.4.4
@@ -11,7 +11,7 @@ future==0.18.2
 future-annotations==1.0.0
 html5lib==1.1
 idna==2.10
-Jinja2==2.11.3
+Jinja2==3.0.2
 lxml==4.6.3
 MarkupSafe==1.1.1
 mock==4.0.2