Bump versions (#639)

Author: auvipy

requirements/docs.txt

@@ -1,5 +1,5 @@
-Django>=2.2,<4.2
+Django>=2.2,<5.0
 https://github.com/celery/sphinx_celery/archive/master.zip
-https://github.com/celery/kombu/zipball/master#egg=kombu
-https://github.com/celery/celery/zipball/master#egg=celery
+https://github.com/celery/kombu/zipball/main#egg=kombu
+https://github.com/celery/celery/zipball/main#egg=celery
 -r default.txt

requirements/runtime.txt

@@ -1 +1 @@
-Django>=2.2,<4.3
+Django>=2.2,<5.0

requirements/test-django.txt

@@ -1 +1 @@
-Django>=3.2,<4.2
+Django>=3.2,<5.0

requirements/test-django42.txt

@@ -1 +1 @@
-django>=4.2a1,<4.3
+django>=4.2b1,<5.0

requirements/test.txt

@@ -1,5 +1,5 @@
 case>=1.3.1
-pytest-django>=2.2,<5.0
+pytest-django>=4.5.2,<5.0
 pytest>=6.2.5,<8.0
 pytest-timeout
 ephem