Remove extra brace

.github/workflows/make_release.yml

@@ -58,7 +58,7 @@ jobs:
         id: gather-stuff
         run: |
           cd /io/tmp/alignment-writer/build
-          target=alignment-writer-${{ github.ref_name }}}-$(gcc -v 2>&1 | grep "^Target" | cut -f2 -d':' | sed 's/[[:space:]]*//g')
+          target=alignment-writer-${{ github.ref_name }}-$(gcc -v 2>&1 | grep "^Target" | cut -f2 -d':' | sed 's/[[:space:]]*//g')
           path=/io/tmp/$target
           mkdir $path
           cp ../build/bin/alignment-writer $path/