Updated tox/travis to point to Django main branch. (#7827)

.travis.yml

@@ -20,11 +20,11 @@ matrix:
       - { python: "3.8", env: DJANGO=3.0 }
       - { python: "3.8", env: DJANGO=3.1 }
       - { python: "3.8", env: DJANGO=3.2 }
-      - { python: "3.8", env: DJANGO=master }
+      - { python: "3.8", env: DJANGO=main }
 
       - { python: "3.9", env: DJANGO=3.1 }
       - { python: "3.9", env: DJANGO=3.2 }
-      - { python: "3.9", env: DJANGO=master }
+      - { python: "3.9", env: DJANGO=main }
 
       - { python: "3.8", env: TOXENV=base }
       - { python: "3.8", env: TOXENV=lint }
@@ -39,7 +39,7 @@ matrix:
           - tox  # test sdist
 
     allow_failures:
-      - env: DJANGO=master
+      - env: DJANGO=main
       - env: DJANGO=3.2
 
 install:

tox.ini

@@ -4,7 +4,7 @@ envlist =
        {py36,py37,py38}-django30,
        {py36,py37,py38,py39}-django31,
        {py36,py37,py38,py39}-django32,
-       {py38,py39}-djangomaster,
+       {py38,py39}-djangomain,
        base,dist,lint,docs,
 
 [travis:env]
@@ -13,7 +13,7 @@ DJANGO =
     3.0: django30
     3.1: django31
     3.2: django32
-    master: djangomaster
+    main: djangomain
 
 [testenv]
 commands = python -W error::DeprecationWarning -W error::PendingDeprecationWarning runtests.py --fast --coverage {posargs}
@@ -26,7 +26,7 @@ deps =
         django30: Django>=3.0,<3.1
         django31: Django>=3.1,<3.2
         django32: Django>=3.2a1,<4.0
-        djangomaster: https://github.com/django/django/archive/master.tar.gz
+        djangomain: https://github.com/django/django/archive/main.tar.gz
         -rrequirements/requirements-testing.txt
         -rrequirements/requirements-optionals.txt