fix: install helm via installation script

Makefile

@@ -49,4 +49,4 @@ container-image/push:
 # ==============================================================================
 # Declare the contents of the PHONY variable as phony.  We keep that information
 # in a variable so we can use it in if_changed.
-.PHONY: ${PHONY}
+.PHONY: ${PHONY}