Bump org.springframework.security.version from 3.0.3.RELEASE to 5.2.1.RELEASE in /spring-integration-parent#1

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dependabot/maven/spring-integration-parent/org.springframework.security.version-5.2.1.RELEASEiwein/spring-integration:dependabot/maven/spring-integration-parent/org.springframework.security.version-5.2.1.RELEASECopy head branch name to clipboard