Add astropy-7.0.0 for 2023b

Author: Caspar van Leeuwen

easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.4-2023b.yml

@@ -36,4 +36,8 @@ easyconfigs:
   - EveryBeam-0.6.1-foss-2023b.eb:
       options:
         # see https://github.com/easybuilders/easybuild-easyconfigs/pull/21765
-        from-commit: c7e4bfe1a57cf9781ce346ba8ae9081644408c23 
+        from-commit: c7e4bfe1a57cf9781ce346ba8ae9081644408c23
+  - astropy-7.0.0-gfbf-2023b.eb:
+      options:
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/22198
+        from-commit: 3ea76951c188c23392445cf1f77069de5b2017c6