Update minor+patch dependencies (main)

[renovatebot-confluentinc[bot]]

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@emotion/react (source)	11.4.1 -> 11.14.0
@emotion/styled (source)	11.3.0 -> 11.14.1
@mui/material (source)	5.0.0 -> 5.18.0
@testing-library/jest-dom	5.14.1 -> 5.17.0
node-rdkafka	2.11.0 -> 2.18.0
pg (source)	8.7.1 -> 8.16.3

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[service-bot-app[bot]]

Could not automerge PR: Found a file in the diff that is not marked as an approved dependency file: demos/application-modernization/microservice/package-lock.json