(@aws-cdk/aws-ecs): Fargate with ARM architecture

[Smotrov]

Description

It would be good to have Graviton2 support in CDK for Fargate tasks.

Use Case

It is supposed to delivers up to 40 percent better price-performance for our high-load tasks.

Proposed Solution

Could be something like in FargateTaskDefinitionProps:

const taskDefinition = new ecs.FargateTaskDefinition(this, `task-definition`, {
      architecture: ARM,
});

Other information

No response

Acknowledge

• I may be able to implement this feature request
• This feature might incur a breaking change

[peterwoodworth]

Thanks for opening this feature request @Smotrov

We currently have something similar for this up, I'll close this issue in favor of that one #17242

[github-actions]

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