test_galaxy: use old-galaxy for v2 API tests

galaxy.ansible.com was officially switched over to the Galaxy NG
codebase which only supports the v3 API.
For now, we can test the v2 api against old-galaxy.ansible.com.

tests/functional/test_galaxy.py

@@ -198,7 +198,7 @@ async def galaxy_client_test(
 
 @pytest.mark.asyncio
 async def test_galaxy_v2(tmp_path_factory):
-    galaxy_url = "https://galaxy.ansible.com"
+    galaxy_url = "https://old-galaxy.ansible.com"
     async with aiohttp.ClientSession() as aio_session:
         context = await GalaxyContext.create(aio_session, galaxy_url)
         assert context.version == GalaxyVersion.V2
@@ -208,7 +208,7 @@ async def test_galaxy_v2(tmp_path_factory):
 
 @pytest.mark.asyncio
 async def test_galaxy_v3(tmp_path_factory):
-    galaxy_url = "https://beta-galaxy.ansible.com"
+    galaxy_url = "https://galaxy.ansible.com"
     async with aiohttp.ClientSession() as aio_session:
         context = await GalaxyContext.create(aio_session, galaxy_url)
         assert context.version == GalaxyVersion.V3