Bump spring-core from 5.3.18 to 5.3.19

Bumps [spring-core](https://github.com/spring-projects/spring-framework) from 5.3.18 to 5.3.19.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.3.18...v5.3.19)

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

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

pom.xml

@@ -139,7 +139,7 @@
         <slf4j.version>1.7.35</slf4j.version>
         <signpost-core.version>1.2.1.2</signpost-core.version>
         <super-csv.version>2.4.0</super-csv.version>
-        <spring.version>5.3.18</spring.version>
+        <spring.version>5.3.19</spring.version>
         <shiro.version>1.8.0</shiro.version>
         <tomcat.version>8.5.46</tomcat.version>
         <woodstox-core>4.4.1</woodstox-core>