Bump ch.qos.logback:logback-classic from 1.4.9 to 1.4.12 in /distr

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.4.9 to 1.4.12.
- [Commits](qos-ch/logback@v_1.4.9...v_1.4.12)

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-classic
  dependency-type: direct:development
...

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

distr/pom.xml

@@ -91,7 +91,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.4.9</version>
+			<version>1.4.12</version>
 			<scope>runtime</scope>
 		</dependency>
 	</dependencies>

pom.xml

@@ -397,7 +397,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.4.9</version>
+        <version>1.4.12</version>
       </dependency>
       <dependency>
         <groupId>org.springframework</groupId>