Change wrong YAML TLS keys (#4131)

See https://github.com/external-secrets/external-secrets/issues/4130

Signed-off-by: Antonio Spadaro <ilovelinux@users.noreply.github.com>

docs/snippets/full-secret-store.yaml

@@ -64,11 +64,11 @@ spec:
         key: "cert-key"
       # client side related TLS communication, when the Vault server requires mutual authentication
       tls:
-        clientCert:
+        certSecretRef:
           namespace: ...
           name: "my-cert-secret"
           key: "tls.crt"
-        secretRef:
+        keySecretRef:
           namespace: ...
           name: "my-cert-secret"
           key: "tls.key"