Bump Django from 6.0a1 to 6.0b1 in CI (#199)

Author: mportesdev

.github/workflows/ci.yml

@@ -16,11 +16,11 @@ jobs:
       matrix:
         os: [windows-latest, macos-latest, ubuntu-latest]
         python-version: ["3.10", "3.11", "3.12", "3.13"]
-        django-version: ["4.2", "5.0", "5.1", "5.2", "6.0a1"]
+        django-version: ["4.2", "5.0", "5.1", "5.2", "6.0b1"]
         exclude:
-          - django-version: "6.0a1"
+          - django-version: "6.0b1"
             python-version: "3.10"
-          - django-version: "6.0a1"
+          - django-version: "6.0b1"
             python-version: "3.11"
     steps:
       - uses: actions/checkout@v4