chore: doc build vulnerabilities

Author: samedii

docs/source/requirements.txt

@@ -4,7 +4,7 @@ attrs==19.3.0
 autodoc==0.5.0
 Babel==2.8.0
 beautifulsoup4==4.9.1
-bleach==3.1.5
+bleach==3.3.0
 certifi==2020.4.5.2
 cffi==1.14.0
 chardet==3.0.4
@@ -16,7 +16,7 @@ idna==2.9
 imagesize==1.2.0
 isort==4.3.21
 jeepney==0.4.3
-Jinja2==2.11.2
+Jinja2==2.11.3
 jsonpointer==2.0
 keyring==21.2.1
 lazy-object-proxy==1.4.3
@@ -31,13 +31,13 @@ pluggy==0.13.1
 py==1.8.1
 pycparser==2.20
 pydantic==1.5.1
-Pygments==2.6.1
+Pygments==2.7.4
 pylint==2.5.3
 pyparsing==2.4.7
 pytest==5.4.3
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 readme-renderer==26.0
 recommonmark==0.6.0
 requests==2.23.0