Bump spring-core from 5.0.11.RELEASE to 5.3.20

Bumps [spring-core](https://github.com/spring-projects/spring-framework) from 5.0.11.RELEASE to 5.3.20.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.0.11.RELEASE...v5.3.20)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -141,7 +141,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
-			<version>5.3.19</version>
+			<version>5.3.20</version>
 			<scope>test</scope>
 		</dependency>