feat: add update-aws-app-runner composite action

[genui-scotty]

What

Adds a new update-aws-app-runner composite action for deploying ECR images to AWS App Runner services.

Changes

.github/actions/update-aws-app-runner/

• action.yml — composite action with optional AWS credential configuration
• scripts/update_app_runner.sh — triggers aws apprunner start-deployment, optionally polls aws apprunner describe-service every 15s (max 10 min) until status is RUNNING; exits non-zero on failure states (*FAILED, DELETED) or timeout
• project.json — version: 1.0.0
• README.md — documents all inputs and usage example

tests/unit/update-aws-app-runner/

• test_update_app_runner.bats — 12 bats tests (all passing)

.github/workflows/code-quality.yml

• Added update-aws-app-runner to the actions_with_tests array

Inputs

Input	Required	Default	Description
aws_access_key_id	No		AWS access key (if not pre-configured)
aws_secret_access_key	No		AWS secret key (if not pre-configured)
aws_default_region	No		AWS region (if not pre-configured)
service_arn	Yes		ARN of the App Runner service to deploy
wait_for_deployment	No	true	Whether to poll until deployment completes

Usage

- uses: generalui/github-workflow-accelerators/.github/actions/update-aws-app-runner@1.0.0-update-aws-app-runner
  with:
    service_arn: ${{ secrets.APP_RUNNER_SERVICE_ARN }}
    wait_for_deployment: true