Bump spring-test from 5.2.7.RELEASE to 5.2.8.RELEASE

Bumps [spring-test](https://github.com/spring-projects/spring-framework) from 5.2.7.RELEASE to 5.2.8.RELEASE.
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](spring-projects/spring-framework@v5.2.7.RELEASE...v5.2.8.RELEASE)

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

Author: dependabot[bot]

pom.xml

@@ -47,7 +47,7 @@
     <apache.commons.compress>1.20</apache.commons.compress>
     <common.codec.version>1.14</common.codec.version>
     <spring.boot.version>2.3.1.RELEASE</spring.boot.version>
-    <spring.version>5.2.7.RELEASE</spring.version>
+    <spring.version>5.2.8.RELEASE</spring.version>
   </properties>
 
   <licenses>