ci(helm):o update helm chart releaser from 1.4.0 to 1.4.1 (#657)

Prompted by the error `Error: could not find : no matching version` in
the job. Not sure if this will help, but worth keeping up to date
anyway.

Author: Harry Waye

.github/workflows/release-chart.yml

@@ -46,10 +46,10 @@ jobs:
           helm repo add grafana https://grafana.github.io/helm-charts
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.4.0
+        uses: helm/chart-releaser-action@v1.4.1
         if: github.repository == 'PostHog/charts-clickhouse'
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
-          CR_SKIP_EXISTING: 'true'
+          CR_SKIP_EXISTING: "true"
         with:
-          charts_repo_url: 'https://posthog.github.io/charts-clickhouse/'
+          charts_repo_url: "https://posthog.github.io/charts-clickhouse/"