Bump django from 2.2.3 to 2.2.4 in /examples/yoti_example_django

Bumps [django](https://github.com/django/django) from 2.2.3 to 2.2.4.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@2.2.3...2.2.4)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

examples/yoti_example_django/requirements.in

@@ -1,5 +1,5 @@
 cryptography>=2.3
-Django==2.2.3
+Django==2.2.4
 django-sslserver>=0.2.0
 python-dotenv>=0.7.1
 requests>=2.20.0

examples/yoti_example_django/requirements.txt

@@ -4,23 +4,23 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-asn1==2.2.0               # via yoti
-asn1crypto==0.24.0        # via cryptography
-certifi==2018.4.16        # via requests
-cffi==1.11.5              # via cryptography
-chardet==3.0.4            # via requests
-cryptography==2.5
-django-sslserver==0.20
-django==2.2.3
-future==0.16.0            # via yoti
-idna==2.7                 # via requests
-protobuf==3.6.0           # via yoti
-pycparser==2.18           # via cffi
-pyopenssl==18.0.0         # via yoti
-python-dotenv==0.8.2
-pytz==2018.4              # via django
-requests==2.21.0
-six==1.11.0               # via cryptography, protobuf, pyopenssl
-sqlparse==0.3.0           # via django
-urllib3==1.24.2
-yoti==2.7.0
+asn1==2.2.0               # via yoti
+asn1crypto==0.24.0        # via cryptography
+certifi==2018.4.16        # via requests
+cffi==1.11.5              # via cryptography
+chardet==3.0.4            # via requests
+cryptography==2.5
+django-sslserver==0.20
+django==2.2.4
+future==0.16.0            # via yoti
+idna==2.7                 # via requests
+protobuf==3.6.0           # via yoti
+pycparser==2.18           # via cffi
+pyopenssl==18.0.0         # via yoti
+python-dotenv==0.8.2
+pytz==2018.4              # via django
+requests==2.21.0
+six==1.11.0               # via cryptography, protobuf, pyopenssl
+sqlparse==0.3.0           # via django
+urllib3==1.24.2
+yoti==2.7.0