Upgrade Django to 2.2.11

requirements/base.txt

@@ -1,6 +1,6 @@
-Django==2.2.10 \
-    --hash=sha256:9a4635813e2d498a3c01b10c701fe4a515d76dd290aaa792ccb65ca4ccb6b038 \
-    --hash=sha256:1226168be1b1c7efd0e66ee79b0e0b58b2caa7ed87717909cd8a57bb13a7079a
+Django==2.2.11 \
+    --hash=sha256:65e2387e6bde531d3bb803244a2b74e0253550a9612c64a60c8c5be267b30f50 \
+    --hash=sha256:b51c9c548d5c3b3ccbb133d0bebc992e8ec3f14899bce8936e6fdda6b23a1881
 sqlparse==0.3.0 \
     --hash=sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177 \
     --hash=sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873