feat: Upgrade Python dependency celery

Routine requirement upgrade.  Doing it individually because there are too many changes in `make upgrade`.

Commit generated by workflow `openedx/edx-platform/.github/workflows/upgrade-one-python-dependency.yml@refs/heads/feanil/fix_one_upgrade`

requirements/edx/base.txt

@@ -93,7 +93,7 @@ bridgekeeper==0.9
     # via -r requirements/edx/kernel.in
 camel-converter[pydantic]==3.1.1
     # via meilisearch
-celery==5.3.6
+celery==5.4.0
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/kernel.in

requirements/edx/development.txt

@@ -176,7 +176,7 @@ camel-converter[pydantic]==3.1.1
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
     #   meilisearch
-celery==5.3.6
+celery==5.4.0
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/doc.txt

requirements/edx/doc.txt

@@ -124,7 +124,7 @@ camel-converter[pydantic]==3.1.1
     # via
     #   -r requirements/edx/base.txt
     #   meilisearch
-celery==5.3.6
+celery==5.4.0
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/base.txt

requirements/edx/testing.txt

@@ -126,7 +126,7 @@ camel-converter[pydantic]==3.1.1
     # via
     #   -r requirements/edx/base.txt
     #   meilisearch
-celery==5.3.6
+celery==5.4.0
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/base.txt