python3Packages.craft-providers: update snap injection patch to use beta for all crafts

pkgs/development/python-modules/craft-providers/default.nix

@@ -33,6 +33,11 @@ buildPythonPackage rec {
   };
 
   patches = [
+    # This lib will try to inject snaps *from the host system* into the build
+    # system. This patch short-circuits that logic and ensures that snaps are
+    # installed on the build system from the snap store - because there is no
+    # snapd on NixOS hosts that can be used for the injection. This patch will
+    # likely never be accepted upstream.
     ./inject-snaps.patch
   ];
 

pkgs/development/python-modules/craft-providers/inject-snaps.patch

@@ -38,7 +38,7 @@ index 3c914a2..d9c2cf9 100644
 -                        details=error.details,
 -                    ) from error
 +            try:
-+                channel = "latest/edge" if snap.name == "rockcraft" else "latest/stable"
++                channel = "latest/beta"
 +                snap_installer.install_from_store(
 +                    executor=executor,
 +                    snap_name=snap.name,