Bump org.springframework:spring-core in /issue3-transitive-conflicts

Bumps [org.springframework:spring-core](https://github.com/spring-projects/spring-framework) from 5.2.0.RELEASE to 5.2.19.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.2.0.RELEASE...v5.2.19.RELEASE)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-version: 5.2.19.RELEASE
  dependency-type: direct:production
...

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

Author: dependabot[bot]

issue3-transitive-conflicts/pom.xml

@@ -20,7 +20,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.2.0.RELEASE</version>
+            <version>5.2.19.RELEASE</version>
             <!-- Transitively brings slf4j-api 1.7.30 -->
         </dependency>