Bump org.springframework.security:spring-security-core (#19)

Bumps [org.springframework.security:spring-security-core](https://github.com/spring-projects/spring-security) from 5.5.7 to 5.7.12.
- [Release notes](https://github.com/spring-projects/spring-security/releases)
- [Changelog](https://github.com/spring-projects/spring-security/blob/main/RELEASE.adoc)
- [Commits](spring-projects/spring-security@5.5.7...5.7.12)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -10,7 +10,7 @@
 	<properties>
 		<java-version>1.8</java-version>
 		<org.springframework-version>5.3.31</org.springframework-version>
-		<org.springsecurity-version>5.5.7</org.springsecurity-version>
+		<org.springsecurity-version>5.7.12</org.springsecurity-version>
 		<org.slf4j-version>1.7.2</org.slf4j-version>
 	</properties>
 	<dependencies>