chore(deps): update docker.io/helmunittest/helm-unittest docker tag to v3.11.3

This MR contains the following updates:

Package	Type	Update	Change
docker.io/helmunittest/helm-unittest	image-name	patch	3.11.2-0.3.1 -> 3.11.3-0.3.1

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charts/.utils/gitlab-ci.yaml

@@ -40,7 +40,7 @@ chart-helm-unittest:
   stage: lint
   extends: .chart-matrix
   image:
-    name: docker.io/helmunittest/helm-unittest:3.11.2-0.3.1
+    name: docker.io/helmunittest/helm-unittest:3.11.3-0.3.1
     entrypoint: [""]
   script:
     - if [ ! -e charts/${CHART}/tests ]; then echo "No helm unittests"; exit 0; fi