Bump logback.version from 1.2.10 to 1.2.11

Bumps `logback.version` from 1.2.10 to 1.2.11.

Updates `logback-core` from 1.2.10 to 1.2.11

Updates `logback-classic` from 1.2.10 to 1.2.11

---
updated-dependencies:
- dependency-name: ch.qos.logback:logback-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: ch.qos.logback:logback-classic
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -21,7 +21,7 @@
         <!-- testing -->
         <dockerjava.version.testing>0-SNAPSHOT</dockerjava.version.testing>
         <maven-failsafe-plugin.version>3.0.0-M4</maven-failsafe-plugin.version>
-        <logback.version>1.2.10</logback.version>
+        <logback.version>1.2.11</logback.version>
     </properties>
 
     <developers>