Deployment scripts include support for Secrets Provider standalone app container

[diverdane]

Is your feature request related to a problem? Please describe.

This issue incrementally adds support for a standalone Secrets Provider "app" container into the scripts that were created with Issue #239.

*** NOTE: This issue covers only modification to the app deploy scripts. It does not include Helm chart implementation for deploying an app that can use the Secrets Provider running in standalone "app" mode. That Helm chart implementation is covered by Issue #273. It's entirely possible that it's easier to handle both this issue (Issue #292) and the Helm implementation (Issue #273) with a single PR.***

Out of Scope

• Implementation of a Helm chart for deploying the Secrets provider in standalone "app" mode. That is already available
  (see https://github.com/cyberark/secrets-provider-for-k8s/tree/main/helm/secrets-provider).
• Implementation of a Helm chart to deploy an application+Summon that uses SP in standalone mode. This is covered in Issue The app deploy Helm chart supports deployment of app + Secrets Provider standalone container #273
• This issue will not include testing on an OpenShift platform. Testing on OpenShift will be performed in Issue Conjur OSS install on OpenShift #248.

Describe the solution you would like

App deploy scripts include Helm install of a Secrets Provider running in

Describe alternatives you have considered

Additional context

DoD

-[ ] App deploy script is modified to use the existing Secrets Provider Helm chart to deploy SP running as a standalone "app" container
-[ ] App deploy script is modified to use Helm chart created with Issue #273 to deploy a sample app + Summon that can use the SP running as a standalong "app" container
-[ ] Scripts are tested in a Kubernetes cluster, Secrets Provider mutates Kubernetes Secrets
-[ ] Pet Store application can use mutated Kubernetes Secrets access its database.