Bump ch.qos.logback:logback-core in /opendj-embedded (#341)

Bumps [ch.qos.logback:logback-core](https://github.com/qos-ch/logback) from 1.2.11 to 1.2.13.
- [Commits](qos-ch/logback@v_1.2.11...v_1.2.13)

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

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

opendj-embedded/pom.xml

@@ -40,7 +40,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.11</version>
+            <version>1.2.13</version>
             <exclusions>
                 <exclusion>
                     <artifactId>slf4j-api</artifactId>