Use --tags on git describe to make it work in detached HEAD release workflow action

Author: woodcoder

version.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 # simple version number script loosely based on git-version-gen
 
-v=`git describe --abbrev=4 --match="v*" HEAD`
+v=`git describe --tags --abbrev=4 --match="v*" HEAD 2>/dev/null || echo "UNKNOWN"`
 v=`echo "$v" | tr -d "vg" | tr "\-" "."`
 printf %s "$v"