chore(deps): bump next from 14.2.16 to 14.2.21 in /examples/nextjs #3218

Job	Run time
Initialize / Check Previous Build	5s
Initialize / Initialize	5s
Initialize / Check Changed Files	16s
PR Build	0s
PR Semgrep	0s
PR SonarQube	0s
PR Test / JVM Unit Tests - JDK ${{ matrix.java.name }}	0s
PR Test / CLI Tests	0s
PR Test / Frontend Unit Tests	0s
PR Test / JVM IT Tests ${{ matrix.suites.name }}	0s
PR Test / Run Postman Tests - ${{ matrix.collection_group }}	0s
PR Test / Karate Tests - ${{ matrix.suites.name }}	0s
PR Test / E2E Tests ${{ matrix.suites.name }}	0s
Finalize / Prepare Report Data	3s
Finalize / Final Status	1s
PR Notifier / Resolve Message	1s
PR Notifier / Resolve Slack Channel / slack-channel-resolver	1s
	32s

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