Bump ch.qos.logback:logback-core in /sagas/CloudBank-DEMO (oracle-samples#327)

Bumps [ch.qos.logback:logback-core](https://github.com/qos-ch/logback) from 1.4.7 to 1.4.12. - [Commits](qos-ch/logback@v_1.4.7...v_1.4.12) --- updated-dependencies: - dependency-name: ch.qos.logback:logback-core dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Gerald Venzl <gerald.venzl@oracle.com>

Author: dependabot[bot]

sagas/CloudBank-DEMO/pom.xml

@@ -65,7 +65,7 @@
  <dependency>
  <groupId>ch.qos.logback</groupId>
  <artifactId>logback-core</artifactId>
- <version>1.4.7</version>
+ <version>1.4.12</version>
  </dependency>
  <dependency>
  <groupId>ch.qos.logback</groupId>