Bump ch.qos.logback:logback-classic in /logback-ecs-encoder (#219)

Bumps [ch.qos.logback:logback-classic](https://github.com/qos-ch/logback) from 1.2.8 to 1.2.13.
- [Commits](qos-ch/logback@v_1.2.8...v_1.2.13)

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

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

Author: dependabot[bot]

logback-ecs-encoder/pom.xml

@@ -38,7 +38,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.8</version>
+            <version>1.2.13</version>
             <scope>provided</scope>
         </dependency>
         <dependency>