fix syntax error

get-new-tag/action.yml

@@ -51,7 +51,7 @@ runs:
         fi
         new_tag="${parent_prefix}.${parent_minor:-0}.$(( ${parent_patch:-0} + ${{ inputs.increment }} ))${parent_extra}"
         # check if new tag exist
-        new_tag="$(git tag --list "${new_tag}"
+        new_tag="$(git tag --list "${new_tag})"
         if [ -n "${tag}" ] ; then
           # tag found, we need increase patch
           latest_tag_patch=$( git tag --list "${parent_prefix}.${parent_minor:-0}.*${parent_extra} | tail -n 1 | sed -r 's/^[^.][0-9]*\.[0-9]+\.([0-9]+)[^0-9]?.*$/\1/' )"