chore(deps): update opencost docker tag to v2

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gitops/argocd/charts/finops/opencost/Chart.yaml

@@ -11,4 +11,4 @@ dependencies:
 - name: opencost
   # repository: https://opencost.github.io/opencost-helm-chart/
   repository: oci://ghcr.io/opencost/charts
-  version: 1.43.2
+  version: 2.4.0