chore(ecs): incorrect formatting of throw statement in the fromServic…

…eArnWithCluster method (aws#30367)

### Issue # (if applicable)

N/A

### Reason for this change
The throw statement uses single quotes instead of backticks, causing incorrect output of ARN during errors.



### Description of changes
Use backticks instead of single quotes for proper formatting.



### Description of how you validated changes



### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/aws-cdk-lib/aws-ecs/lib/base/base-service.ts

@@ -518,7 +518,7 @@ export abstract class BaseService extends Resource
     const arn = stack.splitArn(serviceArn, ArnFormat.SLASH_RESOURCE_NAME);
     const resourceName = arn.resourceName;
     if (!resourceName) {
-      throw new Error('Missing resource Name from service ARN: ${serviceArn}');
+      throw new Error(`Missing resource Name from service ARN: ${serviceArn}`);
     }
     const resourceNameParts = resourceName.split('/');
     if (resourceNameParts.length !== 2) {