Merge pull request #439 from jenkinsci/dependabot/maven/org.testcontainers-testcontainers-1.21.3

Bump org.testcontainers:testcontainers from 1.21.2 to 1.21.3

Author: uhafner

pom.xml

@@ -48,7 +48,7 @@
     <error-prone.version>2.36.0</error-prone.version>
     <j2html.version>1.4.0</j2html.version>
     <streamex.version>0.8.3</streamex.version>
-    <testcontainers.version>1.21.2</testcontainers.version>
+    <testcontainers.version>1.21.3</testcontainers.version>
     <codingstyle.library.version>5.14.0</codingstyle.library.version>
   </properties>