Merge pull request #138 from shift7-ch/dependabot/maven/org.testcontainers-testcontainers-1.21.3

Author: dependabot[bot]

pom.xml

@@ -24,7 +24,7 @@
         <junit.jupiter.version>5.13.2</junit.jupiter.version>
         <junit.platform.version>1.13.3</junit.platform.version>
         <cyberduck.version>10.0.0.uvfdraft-SNAPSHOT</cyberduck.version>
-        <testcontainers.version>1.21.2</testcontainers.version>
+        <testcontainers.version>1.21.3</testcontainers.version>
     </properties>
 
     <repositories>