Merge ~andersson123/autopkgtest-cloud:seed-new-release-update-auth-version into autopkgtest-cloud:master

[Tim Andersson]

[Brian Murray (brian-murray)]

I saw this cowboy today so assume it worked when seeding the oracular release.

review: Approve

[Tim Andersson (andersson123)]

That it did :)

diff --git a/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/tools/seed-new-release b/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/tools/seed-new-release
index 98332e6..ca047b6 100755
--- a/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/tools/seed-new-release
+++ b/charms/focal/autopkgtest-cloud-worker/autopkgtest-cloud/tools/seed-new-release
@@ -29,7 +29,7 @@ def connect_swift():
         key=os.environ["OS_PASSWORD"],
         tenant_name=os.environ["OS_TENANT_NAME"],
         os_options={"region_name": os.environ["OS_REGION_NAME"]},
-        auth_version="2.0",
+        auth_version="3.0",
         retries=10,
         starting_backoff=10,
         # force_auth_retry presumably, upon failure, reauthorises the