Disambiguate worker, CPU and Memory alarms

[mappingvermont]

This PR attaches the stack name to worker, CPU and Memory alarms to allow for multiple watchbot stacks in a given AWS account.

There's no JIRA ticket for this - @macro-shen identified it when building a stack in an account that had already had a watchbot v10 stack in it.

Resource name changes:

• Watchbot-QueueProcessingFargateService-CPU-Usage-cpu ➡️ mapbox-places-charlie-QueueProcessingFargateService-CPU-Usage-cpu
• Watchbot-QueueProcessingFargateService-Memory-Usage-memoryUsage ➡️ mapbox-places-charlie-QueueProcessingFargateService-Memory-Usage-memoryUsage
• Watchbot-worker-errors-us-east-1-error ➡️ mapbox-places-charlie-worker-errors-us-east-1-error

Checklist

Complete the steps below before merge where applicable:

• I included JIRA ticket code in the PR header
• I read and understood the CONTRIBUTING.md doc.
• I used conventional commits for the PR title.
• I used proper typescript comments to document the changes made
• I made changes to relevant tests or added new tests if applicable
• I updated the package.json, package-lock.json and readme.md to reflect the new correct Watchbot version
  • DO NOT MERGE WITHOUT MAKING THESE CHANGES
• I updated the changelog.md