Bump helm version

dot_local/bin/executable_install-helm

@@ -1,11 +1,13 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 # shellcheck disable=SC1090
 source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
 
 APP=helm
-VERSION=${VERSION:-3.11.1}
+VERSION=${VERSION:-3.15.2}
-DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
+DEST=${XDG_DATA_HOME}/apps/releases/${APP}
 
 if [[ ! -d "${DEST}/${VERSION}" ]]; then
     DL_DIR="$(mktemp -d)"