fix: move 0.9.0 into a new channel

0.9.0 has no replaces information. Release channels must account for all
versions available in OLM, and build a chain of channel versions by
walking back from the tips'/current CSVs' replaces information.

To cover all releases, this introduces a new alpha.1 channel with 0.9.0
as the tip, and makes it the default.

Update 0.9 CSV description with upgrade path information.

olm/0.9.0/kong.v0.9.0.clusterserviceversion.yaml

@@ -45,6 +45,12 @@ spec:
     Refer to the [Helm chart documentation](https://github.com/Kong/kong-operator/blob/v0.9.0/helm-charts/kong/README.md),
     the [Configuration](https://github.com/Kong/kong-operator/blob/v0.9.0/README.md#configuration) section of Kong Operator docs, and the example `Kong` resource below.
 
+    ### Upgrading from versions 0.8.0 and earlier
+
+    0.9.0 changes the operator CRD to comply with Kubernetes requirements. Upgrades require manual work to move configuration into the new CRs.
+    See the [0.9.0 upgrade guide](https://github.com/Kong/kong-operator/blob/main/CHANGELOG.md#upgrading-from-previous-versions)
+    for steps to upgrade past 0.8.0.
+
   displayName: Kong Operator
   icon:
   - base64data: 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

olm/kong.package.yaml

@@ -1,4 +1,7 @@
 channels:
-- currentCSV: kong.v0.9.0
+- currentCSV: kong.v0.8.0
   name: alpha
+- currentCSV: kong.v0.9.0
+  name: alpha.1
 packageName: kong
+defaultChannel: alpha.1