Bump celery, kombu to 5.3.1

.github/dependabot.yml

@@ -16,7 +16,7 @@ updates:
     - ">= 5"
   - dependency-name: billiard
     versions:
-    - ">= 4"
+    - ">= 5"
   - dependency-name: celery
     versions:
     - ">= 6"

requirements/prod.txt

@@ -130,11 +130,10 @@ amqp==5.1.1 \
 asgiref==3.7.2 \
     --hash=sha256:89b2ef2247e3b562a16eef663bc0e2e703ec6468e2fa8a5cd61cd449786d4f6e \
     --hash=sha256:9e0ce3aa93a819ba5b45120216b23878cf6e8525eb3848653452b4192b92afed
-# billiard is required by celery, pinned to <3.6 until we upgrade Celery to a version that
-# supports it.
-billiard==3.6.4.0 \
-    --hash=sha256:87103ea78fa6ab4d5c751c4909bcff74617d985de7fa8b672cf8618afd5a875b \
-    --hash=sha256:299de5a8da28a783d51b197d496bef4f1595dd023a93a4f59dde1886ae905547
+# billiard is required by celery
+billiard==4.1.0 \
+    --hash=sha256:0f50d6be051c6b2b75bfbc8bfd85af195c5739c281d3f5b86a5640c65563614a \
+    --hash=sha256:1ad2eeae8e28053d729ba3373d34d9d6e210f6e4d8bf0a9c64f92bd053f1edf5
 # bitarray is required by filtercascade
 bitarray == 2.7.6 \
     --hash=sha256:02a871ee6f460d03febdd1577ddab66c7f297a43eff3293ee4cb34f6eb5cacb6 \
@@ -242,9 +241,9 @@ bitarray == 2.7.6 \
 bleach==5.0.1 \
     --hash=sha256:085f7f33c15bd408dd9b17a4ad77c577db66d76203e5984b1bd59baeee948b2a \
     --hash=sha256:0d03255c47eb9bd2f26aa9bb7f2107732e7e8fe195ca2f64709fcf3b0a4a085c
-celery==5.2.7 \
-    --hash=sha256:138420c020cd58d6707e6257b6beda91fd39af7afde5d36c6334d175302c0e14 \
-    --hash=sha256:fafbd82934d30f8a004f81e8f7a062e31413a23d444be8ee3326553915958c6d
+celery==5.3.1 \
+    --hash=sha256:27f8f3f3b58de6e0ab4f174791383bbd7445aff0471a43e99cfd77727940753f \
+    --hash=sha256:f84d1c21a1520c116c2b7d26593926581191435a03aa74b77c941b93ca1c6210
 # charset-normalizer is required by requests
 charset-normalizer==3.1.0 \
     --hash=sha256:04afa6387e2b282cf78ff3dbce20f0cc071c12dc8f685bd40960cc68644cfea6 \
@@ -419,9 +418,9 @@ html5lib==1.1 \
     --hash=sha256:0d78f8fde1c230e99fe37986a60526d7049ed4bf8a9fadbad5f00e22e58e041d \
     --hash=sha256:b2e5b40261e20f354d198eae92afc10d750afb487ed5e50f9c4eaf07c184146f
 # kombu is required by celery
-kombu==5.2.4 \
-    --hash=sha256:37cee3ee725f94ea8bb173eaab7c1760203ea53bbebae226328600f9d2799610 \
-    --hash=sha256:8b213b24293d3417bcf0d2f5537b7f756079e3ea232a8386dcc89a59fd2361a4
+kombu==5.3.1 \
+    --hash=sha256:48ee589e8833126fd01ceaa08f8a2041334e9f5894e5763c8486a550454551e9 \
+    --hash=sha256:fbd7572d92c0bf71c112a6b45163153dea5a7b6a701ec16b568c27d0fd2370f2
 # m2secret is required by django-aesfield
 m2secret-py3==1.3 \
     --hash=sha256:94dfae937e8a61bf48812fab6a0b8de300781c4e1dbee0cee3aa57cb01915864