Update to ACK runtime v0.48.0, code-generator v0.48.0

[ack-bot]

Update to ACK runtime v0.48.0, code-generator v0.48.0

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• ACK code-generator v0.48.0 release notes
• ACK runtime v0.48.0 release notes

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NOTE:
This PR increments the release version of service controller from v1.4.7 to v1.4.8

Once this PR is merged, release v1.4.8 will be automatically created for dynamodb-controller

Please close this PR, if you do not want the new patch release for dynamodb-controller

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stdout for make build-controller:

building ack-generate ... ok.
==== building dynamodb-controller ====
Copying common custom resource definitions into dynamodb
Building Kubernetes API objects for dynamodb
Generating deepcopy code for dynamodb
Generating custom resource definitions for dynamodb
Building service controller for dynamodb
Running GO mod tidy
Generating RBAC manifests for dynamodb
Running gofmt against generated code for dynamodb
Updating additional GitHub repository maintenance files
==== building dynamodb-controller release artifacts ====
Building release artifacts for dynamodb-v1.4.8
Generating common custom resource definitions
Generating custom resource definitions for dynamodb
Generating RBAC manifests for dynamodb

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

[ack-prow]

@ack-bot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
dynamodb-verify-attribution	3799397	link	false	/test dynamodb-verify-attribution

Full PR test history. Your PR dashboard.

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[knottnt]

/lgtm

[ack-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ack-bot, knottnt

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