generate plugin tgz without version as well

Signed-off-by: Markus Blaschke <[email protected]>

Author: mblaschke

Makefile

@@ -72,6 +72,7 @@ plugin/%: $(SOURCE)
 	echo 'package plugin $(call word-dot,$*,1)'
 	mkdir -p ./release-assets/
 	helm plugin package 'plugins/$(call word-dot,$*,1)' -d ./release-assets --sign=false
+	cp "./release-assets/$(call word-dot,$*,1)-"*.tgz "./release-assets/$(call word-dot,$*,1).tgz"
 
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 # release assets