jfoster updated chart/Chart.yaml with the new release version.

(cherry picked from commit da09e52f)

Co-authored-by: Joe Foster <joefoster@seed-innovations.com>

chart/Chart.yaml

 apiVersion: v2
 name: bigbang
-version: 2.39.1
+version: 2.40.0
 kubeVersion: '>=1.29.0-0'
 description: Big Bang is a declarative, continuous delivery tool for core DoD hardened and approved packages into a Kubernetes cluster.
 type: application