Change `noWait` to `wait` within the zarf schema

[AustinAbro321]

We currently have a key called noWait within the manifests and charts objects within the schema. This signals whether or not to use the Helm wait functionality. Negative boolean keys are generally less user friendly and less brief. We should instead just have a wait key which defaults to true. As a bonus this name we will match the helm key https://helm.sh/docs/helm/helm_install/