Remove ref/tags from version

SuperSandro2000 · SuperSandro2000 · commit dc642e99c932 · 2021-01-28T00:01:36.000+01:00
diff --git a/build.sh b/build.sh
@@ -62,6 +62,7 @@ docker images
 # eg before: 0.18.24-1, after 0.18.24
 if [[ ${BRANCH:-} ]]; then
   BRANCH_VERSION=${BRANCH%-*}
+  BRANCH_VERSION=${BRANCH_VERSION#refs/tags/}
 fi
 
 # only push when:
