chore(deps): update dependency helm-unittest/helm-unittest to v0.5.2 (#1158)

Co-authored-by: jenkins-dependency-updater[bot] <81680575+jenkins-dependency-updater[bot]@users.noreply.github.com>

Author: jenkins-dependency-updater[bot]

.github/renovate-entrypoint.sh

@@ -7,7 +7,7 @@ export YQ_VERSION=v4.44.2
 export HELM_VERSION=v3.15.3
 
 # renovate: datasource=github-tags depName=helm-unittest/helm-unittest
-export HELM_UNITTEST_VERSION=v0.5.1
+export HELM_UNITTEST_VERSION=v0.5.2
 
 # renovate: datasource=github-tags depName=jenkins-x-plugins/jx-release-version
 export JENKINS_JX_VERSION=v2.7.3