Bump spring.version from 5.2.7.RELEASE to 5.2.8.RELEASE in /core

Bumps `spring.version` from 5.2.7.RELEASE to 5.2.8.RELEASE.

Updates `spring-core` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-web` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-orm` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-jdbc` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-tx` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-context` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-context-support` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

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

Updates `spring-aop` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

Updates `spring-aspects` from 5.2.7.RELEASE to 5.2.8.RELEASE
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.2.7.RELEASE...v5.2.8.RELEASE)

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

Closes #96

Change-Id: I5b1d2c8ff8602c66b60eb68c3a759adad1708094
diff --git a/core/pom.xml b/core/pom.xml
index f95945d..758b0f8 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -8,7 +8,7 @@
 	<properties>
 		<java.version>1.8</java.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<spring.version>5.2.7.RELEASE</spring.version>
+		<spring.version>5.2.8.RELEASE</spring.version>
 		<jersey.version>1.19.4</jersey.version>
 		<jetty.version>9.4.30.v20200611</jetty.version>
 		<hibernate.version>5.3.7.Final</hibernate.version>