fix os for ubuntu

Author: harisont

.github/workflows/build-binary-packages.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         ghc: ["9.6"]
         cabal: ["3.10"]
-        os: ubuntu-24.04
+        os: ["ubuntu-24.04"]
 
     runs-on: ${{ matrix.os }}