Bump logback-core from 1.1.3 to 1.2.0

Bumps logback-core from 1.1.3 to 1.2.0.

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pom.xml

@@ -456,7 +456,7 @@
 						<dependency>
 							<groupId>ch.qos.logback</groupId>
 							<artifactId>logback-core</artifactId>
-							<version>1.1.3</version>
+							<version>1.2.0</version>
 						</dependency>
 						<dependency>
 							<groupId>org.slf4j</groupId>