SWI-3723 [Snyk] Security upgrade org.springframework.boot:spring-boot-starter-webflux from 2.7.17 to 3.4.11

[bwappsec]

Snyk has created this PR to fix 1 vulnerabilities in the maven dependencies of this project.

Snyk changed the following file(s):

• samples/client/petstore/java/webclient-nullable-arrays/pom.xml

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This major upgrade from Spring Boot 2.7 to 3.4 introduces significant breaking changes that require code and environment modifications. Highlights: Java 17 Baseline: Spring Boot 3.0 and later require Java 17 as a minimum version. Jakarta EE Migration: All Java EE APIs have been replaced with their Jakarta EE equivalents. This requires a project-wide update of package imports from javax.* to jakarta.*. Configuration Changes: Support for legacy property processing (spring.config.use-legacy-processing) has been removed, and other properties have been renamed or removed. Source: Spring Boot 3.0 Migration Guide Recommendation: This upgrade requires a mandatory Java version update and significant code refactoring for the new Jakarta EE namespace. A thorough review of the migration guide is essential before proceeding.

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Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	External Initialization of Trusted Variables or Data Stores SNYK-JAVA-CHQOSLOGBACK-13169722	61	org.springframework.boot:spring-boot-starter-webflux: 2.7.17 -> 3.4.11 Major version upgrade No Path Found No Known Exploit

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[bwappsec]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Code Security	0	0	0	0	0 issues
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

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