feat: update to Backstage 1.45.3

[hopehadfield]

Description

Please explain the changes you made here.

Which issue(s) does this PR fix

RHIDP-8992

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-3810
• quay.io/rhdh-community/rhdh:pr-3810-29848cd9

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-3810
• quay.io/rhdh-community/rhdh:pr-3810-d6839a9d

[hopehadfield]

/retest

[hopehadfield]

/retest

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[sonarqubecloud]

Quality Gate failed

Failed conditions
2 Security Hotspots

See analysis details on SonarQube Cloud

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-3810
• quay.io/rhdh-community/rhdh:pr-3810-7d5decbc

[openshift-ci]

@hopehadfield: 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
ci/prow/e2e-ocp-helm	7d5decb	link	true	/test e2e-ocp-helm

Full PR test history. Your PR dashboard.

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