This patch updates the tekton trigger charts to:
1. align with the latest upstream manifests where resources between the
webhook and the controller are now separated out;
2. add liveness and readiness probes to the webhook deployment;
3. changed the naming convention of the files to be:
<k8s resource>-<name separated by _>.yaml for easier identification.
Signed-off-by: Tin Lam <tin@irrational.io>
Change-Id: I8adac3f4882b8ad38bfe57d5873f36c86aa7f0a0