Add "integration-testing" topic (#9338)

Author: bsideup

.github/settings.yml

@@ -13,7 +13,7 @@ repository:
   homepage: https://testcontainers.org
 
   # A comma-separated list of topics to set on the repository
-  topics: java,testing,docker,docker-compose,jvm,test-automation,junit,hacktoberfest
+  topics: java,testing,docker,docker-compose,jvm,test-automation,junit,hacktoberfest,integration-testing
 
   # Either `true` to make the repository private, or `false` to make it public.
   private: false