Backport of Fix ACL permissions for ECS controller into release/1.17.x (#19637)

backport of commit 13b7c830bd

Co-authored-by: Ganeshrockz <ganesh.seetharaman@hashicorp.com>

website/content/docs/ecs/deploy/manual.mdx

@@ -247,7 +247,8 @@ On the Consul server, create a policy that grants the following access for the c
 
 - `acl:write` 
 - `operator:write` 
-- `node:write` 
+- `node:write`
+- `service:write`
 
 The policy allows Consul to generate a token linked to the policy. Refer to [Create a service token](/consul/docs/security/acl/tokens/create/create-a-service-token) for instructions.
 

website/content/docs/ecs/deploy/terraform.mdx

@@ -212,7 +212,8 @@ Verify that you have completed the prerequisites described in [Secure configurat
 
     - `acl:write`
     - `operator:write` 
-    - `node:write` 
+    - `node:write`
+    - `service:write`
     
     The policy allows Consul to generate a token linked to the policy. Refer to [Create a service token](/consul/docs/security/acl/tokens/create/create-a-service-token) for instructions.
 1. Create a token and link it to the ACL controller policy. Refer to the [ACL tokens documentation](/consul/docs/security/acl/tokens) for instructions.