Fixed docker host

Signed-off-by: Martin Weise <martin.weise@tuwien.ac.at>

.gitlab-ci.yml

@@ -4,6 +4,7 @@ variables:
   DOCKER_HOST: "unix:///var/run/dind/docker.sock"
   DOCKER_VERSION: "27"
   TESTCONTAINERS_RYUK_DISABLED: "false"
+  TESTCONTAINERS_HOST_OVERRIDE: "docker"
   ALPINE_VERSION: "3.21"
   PYTHON_VERSION: "3.11"
   JAVA_VERSION: "17"
@@ -13,7 +14,7 @@ variables:
   DOC_VERSION: "1.8"
   APP_VERSION: "1.8.0"
   CHART_VERSION: "1.8.0"
-  SUPPORTED_VERSIONS: "[\"1.8.0\"]"
+  SUPPORTED_VERSIONS: "[\"1.7.0\",\"1.7.1\",\"1.7.2\",\"1.8.0\"]"
   CACHE_FALLBACK_KEY: "${CI_DEFAULT_BRANCH}"
   # This will supress any download for dependencies and plugins or upload messages which would clutter the console log.
   # `showDateTime` will show the passed time in milliseconds. You need to specify `--batch-mode` to make this work.