Fixup missing version in nexus release for plugin-repo submission

.github/workflows/submit-release.yml

@@ -52,6 +52,7 @@ jobs:
           git add .
           git commit -m "Remove Unwanted Files"
           news=$(awk '/^## /{rel_num++} {if(rel_num==2){exit} if(rel_num==1){print}}' changelog.txt | sed -E 's/ ?#[[:digit:]]+[., ]?//;s/\r//')
+          version=$(xmlstarlet sel -t -v 'string(/addon/@version)' addon.xml)
           xmlstarlet ed -L -P \
             -s '/addon/extension[@point="xbmc.addon.metadata"]' -t elem -n news -v "${news:0:1500}" \
             -u '/addon/@version' -v "${version}+nexus.1" \