fix arch name

.github/workflows/release.yml

@@ -40,7 +40,7 @@ jobs:
         run: |
           TAG=${GITHUB_REF##refs/tags/}
           OS=$(uname -s | tr '[:upper:]' '[:lower:]')
-          ARCH=${{ matrix.arch }}
+          ARCH=$(uname -m)
           FOLDER="chloride-$TAG-$OS-$ARCH"
           TAR="$FOLDER.tar.gz"
           mv build/bin "$FOLDER"
@@ -83,7 +83,7 @@ jobs:
         run: |
           TAG=${GITHUB_REF##refs/tags/}
           OS=$(uname -s | tr '[:upper:]' '[:lower:]')
-          ARCH=${{ matrix.arch }}
+          ARCH=$(uname -m)
           FOLDER="chloride-$TAG-$OS-$ARCH"
           TAR="$FOLDER.tar.gz"
           mv build/bin "$FOLDER"