Test with astropy 8.0 beta

Author: maxnoe

.github/workflows/ci.yml

@@ -154,7 +154,7 @@ jobs:
           python --version | grep "Python ${PYTHON_VERSION}"
           # numba/llvmlite do not provide wheels for macos-intel in recent releases, but pip tries to download
           # the latest release and build it from source. Force only wheels being considered for these to packages.
-          pip install --only-binary llvmlite --only-binary numba -e ".[${EXTRAS}]"
+          pip install --only-binary llvmlite --only-binary numba -e ".[${EXTRAS}]" "astropy>=8.0.0b0"
           pip install ./test_plugin
           pip freeze
 

pyproject.toml

@@ -29,7 +29,7 @@ dynamic = ["version"]
 requires-python = ">=3.12"
 
 dependencies = [
-    "astropy >=6.1,<8.0.0",
+    "astropy >=6.1,<9.0.0",
     "docutils",
     "joblib",
     "numba >=0.59.0",