⬆️ Bump spring.version in /spring-ioc

Bumps `spring.version` from 4.3.16.RELEASE to 5.3.2.

Updates `spring-core` from 4.3.16.RELEASE to 5.3.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v4.3.16.RELEASE...v5.3.2)

Updates `spring-context` from 4.3.16.RELEASE to 5.3.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v4.3.16.RELEASE...v5.3.2)

Updates `spring-beans` from 4.3.16.RELEASE to 5.3.2
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v4.3.16.RELEASE...v5.3.2)

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

Author: dependabot[bot]

spring-ioc/pom.xml

@@ -15,7 +15,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <spring.version>4.3.16.RELEASE</spring.version>
+        <spring.version>5.3.2</spring.version>
     </properties>
 
     <dependencies>