Django security update (#5768)

requirements/common.txt

@@ -39,9 +39,9 @@ Brotli==1.0.7 \
     --hash=sha256:113f51658e6fe548dce4b3749f6ef6c24de4184ba9c10a909cbee4261c2a5da0 \
     --hash=sha256:0538dc1744fd17c314d2adc409ea7d1b779783b89fd95bcfb0c2acc93a6ea5a7
 
-Django==2.2.8 \
-    --hash=sha256:fa98ec9cc9bf5d72a08ebf3654a9452e761fbb8566e3f80de199cbc15477e891 \
-    --hash=sha256:a4ad4f6f9c6a4b7af7e2deec8d0cbff28501852e5010d6c2dc695d3d1fae7ca0
+Django==2.2.9 \
+    --hash=sha256:687c37153486cf26c3fdcbdd177ef16de38dc3463f094b5f9c9955d91f277b14 \
+    --hash=sha256:662a1ff78792e3fd77f16f71b1f31149489434de4b62a74895bd5d6534e635a5
 
 celery==4.3.0 --hash=sha256:528e56767ae7e43a16cfef24ee1062491f5754368d38fcfffa861cdb9ef219be --hash=sha256:4c4532aa683f170f40bd76f928b70bc06ff171a959e06e71bf35f2f9d6031ef9