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-useSingleRequestParameter/pom.xml

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This is a major version upgrade from Spring Boot 2.x to 3.x, which introduces significant breaking changes. It is a substantial undertaking that requires careful planning and code modification. Key Breaking Changes: Java 17 Baseline: Spring Boot 3.0 requires Java 17 as the minimum version. Applications using older Java versions (like 8 or 11) must be upgraded. Jakarta EE Migration: All dependencies have been migrated from Java EE to Jakarta EE, which means all javax.* packages are replaced with jakarta.*. This requires a codebase-wide update of import statements. Configuration Properties: Numerous configuration properties have been renamed or removed. A dedicated spring-boot-properties-migrator module can help identify and temporarily migrate these. Source: Spring Boot 3.0 Migration Guide Recommendation: This upgrade should be handled as a dedicated migration effort. It is recommended to first upgrade to the latest Spring Boot 2.7 release, address all deprecations, and then proceed with the migration to Spring Boot 3.

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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)
✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues
✅	Open Source Security	0	0	0	0	0 issues

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