Bump org.springframework:spring-webflux from 5.3.33 to 5.3.39

Bumps [org.springframework:spring-webflux](https://github.com/spring-projects/spring-framework) from 5.3.33 to 5.3.39.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.33...v5.3.39)

---
updated-dependencies:
- dependency-name: org.springframework:spring-webflux
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -19,7 +19,7 @@
         <jackson.version>2.17.0</jackson.version>
         <jsoup.version>1.17.2</jsoup.version>
         <okhttp3.version>4.12.0</okhttp3.version>
-        <spring.version>5.3.33</spring.version>
+        <spring.version>5.3.39</spring.version>
         <ktor.version>2.3.8</ktor.version>
         <sl4j.version>1.7.32</sl4j.version>
         <logback.version>1.4.14</logback.version>