Fix DescribeResources changelog typo (dagster-io#19770)

A user caught that the aws perm is GetResources, not DescribeResources

CHANGES.md

@@ -1345,7 +1345,7 @@ def my_op(context: OpExecutionContext):
   - `dagit` → `dagsterWebserver`
   - `ingress.dagit` → `ingress.dagsterWebserver`
   - `ingress.readOnlyDagit` → `ingress.readOnlyDagsterWebserver`
-- [Dagster Cloud ECS Agent] We've introduced performance improvements that rely on the [AWS Resource Groups Tagging API](https://docs.aws.amazon.com/resourcegroupstagging/latest/APIReference/overview.html). To enable, grant your agent's IAM policy permission to `tag:DescribeResources`. Without this policy, the ECS Agent will log a deprecation warning and fall back to its old behavior (listing all ECS services in the cluster and then listing each service's tags).
+- [Dagster Cloud ECS Agent] We've introduced performance improvements that rely on the [AWS Resource Groups Tagging API](https://docs.aws.amazon.com/resourcegroupstagging/latest/APIReference/overview.html). To enable, grant your agent's IAM policy permission to `tag:GetResources`. Without this policy, the ECS Agent will log a deprecation warning and fall back to its old behavior (listing all ECS services in the cluster and then listing each service's tags).
 - `DbtCliClientResource`, `dbt_cli_resource` and `DbtCliOutput` are now being deprecated in favor of `DbtCliResource`.
 - A number of arguments on `load_assets_from_dbt_project` and `load_assets_from_dbt_manifest` are now deprecated in favor of other options. See the migration for details.
 

MIGRATION.md

@@ -188,7 +188,7 @@ def a_downstream_asset():
    ...
 ```
 
-- [Dagster Cloud ECS Agent] We've introduced performance improvements that rely on the [AWS Resource Groups Tagging API](https://docs.aws.amazon.com/resourcegroupstagging/latest/APIReference/overview.html). To enable, grant your agent's IAM policy permission to `tag:DescribeResources`. Without this policy, the ECS Agent will log a deprecation warning and fall back to its old behavior (listing all ECS services in the cluster and then listing each service's tags).
+- [Dagster Cloud ECS Agent] We've introduced performance improvements that rely on the [AWS Resource Groups Tagging API](https://docs.aws.amazon.com/resourcegroupstagging/latest/APIReference/overview.html). To enable, grant your agent's IAM policy permission to `tag:GetResources`. Without this policy, the ECS Agent will log a deprecation warning and fall back to its old behavior (listing all ECS services in the cluster and then listing each service's tags).
 - [dagster-dbt] `DbtCliClientResource`, `dbt_cli_resource` and `DbtCliOutput` are now being deprecated in favor of `DbtCliResource`. `dagster-dbt` Asset APIs like `load_assets_from_dbt_manifest` and `load_assets_from_dbt_project` will continue to work if given either a `DbtCliClientResource` or `DbtCliResource`.
 
 ```python