Adds latest IAM updates from AWS

[udondan]

Adds latest IAM updates from AWS

Summary by CodeRabbit

• New Features

  • Added support for ECS Model Context Protocol (ecs-mcp) service with read-only tool invocation capabilities.

• Removals

  • Removed DeepRacer service and all associated IAM actions, resource types, and condition keys.

• Chores

  • Updated project version to 0.738.0.
  • Updated IAM policy statement generator statistics to reflect service changes.

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[coderabbitai]

Walkthrough

This PR removes AWS DeepRacer IAM service definitions (actions, resources, condition keys) and adds AWS ECS Model Context Protocol (ecs-mcp) IAM service definitions. Project version and documentation statistics are updated to reflect these service changes.

Changes

Cohort / File(s)	Summary
Version Bumps VERSION, docs/source/conf.py	Version updated from 0.737.0 to 0.738.0 across project files
Documentation Updates README.md, docs/source/index.rst, CHANGELOG/v0.738.0.md	Statistics updated: Actions 20079 → 20028, Resource Types 2137 → 2130, Condition Keys 2235 → 2230; changelog documents service removal/addition
DeepRacer Service Removal stats/actions/deepracer, stats/conditions/deepracer, stats/resources/deepracer	Removed all DeepRacer IAM definitions: 53 actions, 5 condition keys, 7 resource types (car, evaluation_job, leaderboard, leaderboard_evaluation_job, reinforcement_learning_model, track, training_job)
ECS-MCP Service Addition stats/actions/ecs-mcp, stats/conditions/ecs-mcp, stats/resources/ecs-mcp	Added new ECS-MCP service with 2 read actions (InvokeReadOnlyTools, UseMcp); empty condition keys and resources files
Service Listing Update stats/services	Replaced deepracer entry with ecs-mcp entry in service registry

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Title check	❓ Inconclusive	The title 'Adds latest IAM updates from AWS' is generic and vague. While it relates to the changeset (updating IAM policy data), it does not clearly specify the primary change: removing deepracer service support and adding ecs-mcp service support.	Consider a more specific title that describes the main service changes, such as 'Remove deepracer service and add ecs-mcp service to IAM policy data' to clearly communicate the primary modification.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

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