Add trigger handler for storage events

[bombguy]

Problem

add ability to add trigger for storage events
Issue number, if available:

Changes

Corresponding docs PR, if applicable:

Validation

Checklist

• If this PR includes a functional change to the runtime behavior of the code, I have added or updated automated test coverage for this change.
• If this PR requires a change to the Project Architecture README, I have included that update in this PR.
• If this PR requires a docs update, I have linked to that docs PR above.
• If this PR modifies E2E tests, makes changes to resource provisioning, or makes SDK calls, I have run the PR checks with the run-e2e label set.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[changeset-bot]

🦋 Changeset detected

Latest commit: 0d4119f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 19 packages

Name	Type
@aws-amplify/backend-platform-test-stubs	Patch
@aws-amplify/backend-output-storage	Patch
@aws-amplify/integration-tests	Patch
@aws-amplify/backend-function	Patch
@aws-amplify/backend-storage	Minor
@aws-amplify/auth-construct-alpha	Patch
@aws-amplify/backend-auth	Patch
@aws-amplify/backend-data	Patch
@aws-amplify/plugin-types	Patch
@aws-amplify/backend	Patch
@aws-amplify/backend-deployer	Patch
@aws-amplify/backend-secret	Patch
create-amplify	Patch
@aws-amplify/platform-core	Patch
@aws-amplify/backend-cli	Patch
@aws-amplify/sandbox	Patch
@aws-amplify/client-config	Patch
@aws-amplify/deployed-backend-client	Patch
@aws-amplify/model-generator	Patch

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[edwardfoyle]

LGTM, but the dependency check is complaining that some version of aws-cdk does not match the version of aws-cdk-lib. Also, merging from main may fix the changeset check