majak: Upgrade requirements and Wagtail to 2.9.3

requirements/base.txt

@@ -10,7 +10,7 @@ beautifulsoup4==4.8.2     # via wagtail
 certifi==2020.6.20        # via requests
 cffi==1.14.0              # via cryptography
 chardet==3.0.4            # via requests
-cryptography==2.9.2       # via josepy, mozilla-django-oidc, pyopenssl
+cryptography==3.0         # via josepy, mozilla-django-oidc, pyopenssl
 django-cogwheels==0.3     # via wagtailmenus
 django-environ==0.4.5     # via -r base.in
 django-extensions==3.0.3  # via -r base.in
@@ -28,7 +28,7 @@ idna==2.10                # via requests
 josepy==1.3.0             # via mozilla-django-oidc
 l18n==2018.5              # via wagtail
 mozilla-django-oidc==1.2.3  # via pirates
-numpy==1.19.0             # via opencv-python
+numpy==1.19.1             # via opencv-python
 opencv-python==4.3.0.36   # via -r base.in
 pillow==7.2.0             # via wagtail
 pirates==0.3.1            # via -r base.in
@@ -47,9 +47,9 @@ soupsieve==2.0.1          # via beautifulsoup4
 sqlparse==0.3.1           # via django
 tatsu==5.5.0              # via ics
 unidecode==1.1.1          # via wagtail
-urllib3==1.25.9           # via requests
+urllib3==1.25.10          # via requests
 wagtail-metadata==3.2.0   # via -r base.in
-wagtail==2.9.2            # via -r base.in, wagtail-metadata
+wagtail==2.9.3            # via -r base.in, wagtail-metadata
 wagtailmenus==3.0.2       # via -r base.in
 webencodings==0.5.1       # via html5lib
 whitenoise==5.1.0         # via -r base.in