fix: raw tag in snippet (#4868)

Signed-off-by: Yoga Yu <yoga.yu.169@gmail.com>
Co-authored-by: Gergely Brautigam <182850+Skarlso@users.noreply.github.com>

docs/snippets/generator-ecr-example.yaml

@@ -1,3 +1,4 @@
+{% raw %}
 apiVersion: external-secrets.io/v1
 kind: ExternalSecret
 metadata:
@@ -27,4 +28,5 @@ spec:
         generatorRef:
           apiVersion: generators.external-secrets.io/v1alpha1
           kind: ECRAuthorizationToken
-          name: "ecr-gen"
+          name: "ecr-gen"
+{% endraw %}