deps(docker): bump alpine/helm from 3.14.4 to 3.15.3 (#5882)

Bumps alpine/helm from 3.14.4 to 3.15.3.

---
updated-dependencies:
- dependency-name: alpine/helm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Dockerfile

@@ -12,7 +12,7 @@ FROM alpine/terragrunt:1.9.2 AS terragrunt
 FROM dotenvlinter/dotenv-linter:3.3.0 AS dotenv-linter
 FROM ghcr.io/terraform-linters/tflint:v0.51.2 AS tflint
 FROM ghcr.io/yannh/kubeconform:v0.6.6 AS kubeconfrm
-FROM alpine/helm:3.14.4 AS helm
+FROM alpine/helm:3.15.3 AS helm
 FROM golang:1.22.5-alpine AS golang
 FROM golangci/golangci-lint:v1.59.0 AS golangci-lint
 FROM goreleaser/goreleaser:v1.26.2 AS goreleaser