EPIC: #976

Acceptance criteria

Scenario: A platform engineer can write Secrets to Secret Providers
Given A platform engineer is syncing secrets from any Secret provider
When the platform engineer checks the supported capabilities of a secret provide using kubectl get
Then the platform engineer can confirm if a SecretProvider supports Write method

Notes

• A Write method should be supported by all Secret providers and it should return a NotImplemented response
• Add the NotImplemented response to all of the secret stores in the Provider Stability and Support Level https://external-secrets.io/v0.5.2/stability-support/
• Choose a k8s object status to indicate that this is NotImplemented (not valid for a Write) using a kubectl get secretstore