add argocd-secret-replacer (#10494)

Adding new tool that can replace secret from sops. 
It replaces specific string with encrypted values also It provides ability to encode values to base64.
It is different from ksops in a way that it is not dependent on kustomize to generate secrets.

Signed-off-by: Michał Małyska <999598+mmalyska@users.noreply.github.com>

docs/operator-manual/secret-management.md

@@ -19,6 +19,7 @@ Here are some ways people are doing GitOps secrets:
 * [argocd-vault-replacer](https://github.com/crumbhole/argocd-vault-replacer)
 * [Kubernetes Secrets Store CSI Driver](https://github.com/kubernetes-sigs/secrets-store-csi-driver)
 * [Vals-Operator](https://github.com/digitalis-io/vals-operator)
+* [argocd-secret-replacer](https://github.com/mmalyska/argocd-secret-replacer)
 
 For discussion, see [#1364](https://github.com/argoproj/argo-cd/issues/1364)