Update requirements.txt for dependabot vulnerabilities

project/requirements.txt

@@ -2,10 +2,11 @@ boto3==1.9.179
 botocore==1.12.253
 certifi==2019.6.16
 chardet==3.0.4
+charset-normalizer==2.0.12
 colorama==0.2.7
 coverage==4.5.3
-Django==2.2.20
 dj-database-url==0.5.0
+Django==2.2.27
 django-cleanup==3.2.0
 django-materializecss-form==1.1.14
 django-storages==1.7.1
@@ -15,19 +16,19 @@ html5lib==0.999999999
 idna==2.8
 jmespath==0.9.4
 olefile==0.46
-Pillow==8.2.0
+Pillow
 postgres==3.0.0
 psycopg2-binary==2.8.4
 psycopg2-pool==1.1
 pycurl==7.43.0.3
 python-dateutil==2.8.1
 python-dotenv==0.10.3
 pytz==2019.3
-requests==2.22.0
+requests==2.27.1
 s3transfer==0.2.1
 six==1.13.0
-sqlparse==0.3.0
+sqlparse==0.4.2
 stripe==2.29.4
-urllib3==1.25.6
+urllib3
 webencodings==0.5.1
 whitenoise==3.3.1