ci: update build cmd

Author: mirkobrombin

.github/workflows/release.yml

@@ -23,9 +23,9 @@ jobs:
 
       - name: Build
         run: |
-          go build -o apx -ldflags="-X 'main.Version=${{ github.ref_name }}'"
+          go build -o apx -ldflags="-X 'main.Version=${{ github.ref_name }}'" ./cmd
           tar -czvf apx-amd64.tar.gz apx
-          GOARCH=arm64 go build -o apx -ldflags="-X 'main.Version=${{ github.sha }}'"
+          GOARCH=arm64 go build -o apx -ldflags="-X 'main.Version=${{ github.sha }}'" ./cmd
           tar -czvf apx-arm64.tar.gz apx
           tar -czvf apx-man.tar.gz man/man1/apx.1