patch(_update_bundle.yaml): Hardcode snap channels for `charmed_postg…

…resql` and `charmed_pgbouncer` (#241)

With the merge of
canonical/postgresql-operator#638 and
canonical/pgbouncer-operator#384, the workflow
cannot rely on charm's source code to fetch the snap channel info.

python/cli/data_platform_workflows_cli/update_bundle.py

@@ -158,7 +158,7 @@ def fetch_postgresql_snaps(charm_revision) -> list[Snap]:
             result.append(Snap(
                 name=snap_name,
                 revision=int(snap_info["revision"]["x86_64"]),
-                push_channel=snap_info["channel"],
+                push_channel="14/edge",
             ))
         return result
     else:
@@ -178,7 +178,7 @@ def fetch_pgbouncer_snaps(charm_revision) -> list[Snap]:
             result.append(Snap(
                 name=snap_name,
                 revision=int(snap_info["revision"]["x86_64"]),
-                push_channel=snap_info["channel"],
+                push_channel="1/edge",
             ))
         return result
     else: