feat: Add managed_storage_configuration block to aws_ecs_cluster

[acwwat]

Description

This PR is to add the new managed_storage_configuration block to the aws_ecs_cluster resource to support ECS Fargate ephemeral storage encryption using CMK.

Relations

Closes #37922

References

Referred to CreateCluster for specs and wordings.

Output from Acceptance Testing

Note: TestAccECSCluster_managedStorageConfiguration is a new test case.

$ make testacc TESTS=TestAccECSCluster_ PKG=ecs
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.22.2 test ./internal/service/ecs/... -v -count 1 -parallel 20 -run='TestAccECSCluster_'  -timeout 360m
=== RUN   TestAccECSCluster_basic
=== PAUSE TestAccECSCluster_basic
=== RUN   TestAccECSCluster_disappears
=== PAUSE TestAccECSCluster_disappears
=== RUN   TestAccECSCluster_tags
=== PAUSE TestAccECSCluster_tags
=== RUN   TestAccECSCluster_serviceConnectDefaults
=== PAUSE TestAccECSCluster_serviceConnectDefaults
=== RUN   TestAccECSCluster_containerInsights
=== PAUSE TestAccECSCluster_containerInsights
=== RUN   TestAccECSCluster_configuration
=== PAUSE TestAccECSCluster_configuration
=== RUN   TestAccECSCluster_managedStorageConfiguration
=== PAUSE TestAccECSCluster_managedStorageConfiguration
=== CONT  TestAccECSCluster_basic
=== CONT  TestAccECSCluster_containerInsights
=== CONT  TestAccECSCluster_tags
=== CONT  TestAccECSCluster_managedStorageConfiguration
=== CONT  TestAccECSCluster_serviceConnectDefaults
=== CONT  TestAccECSCluster_disappears
=== CONT  TestAccECSCluster_configuration
--- PASS: TestAccECSCluster_disappears (29.08s)
--- PASS: TestAccECSCluster_basic (31.81s)
--- PASS: TestAccECSCluster_tags (50.62s)
--- PASS: TestAccECSCluster_configuration (53.98s)
--- PASS: TestAccECSCluster_managedStorageConfiguration (66.62s)
--- PASS: TestAccECSCluster_containerInsights (68.43s)
--- PASS: TestAccECSCluster_serviceConnectDefaults (138.39s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/ecs        138.590s

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