Bump springVersion from 5.3.3 to 5.3.4 in /junit5-spring
Bump springVersion from 5.3.3 to 5.3.4 in /junit5-spring

Bumps `springVersion` from 5.3.3 to 5.3.4.

Updates `spring-context` from 5.3.3 to 5.3.4
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.3...v5.3.4)

Updates `spring-test` from 5.3.3 to 5.3.4
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.3...v5.3.4)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
bonigarcia/mastering-junit5,bonigarcia/mastering-junit5