feat(cli): stop using bsdtar

it was used before because of Unicode issues, but that was solved after
the latest cartesi/sdk:0.6.1 release that uses most recent version of
cartesi/xgenext2fs:1.5.6

.changeset/stupid-nails-happen.md

@@ -0,0 +1,5 @@
+---
+"@cartesi/cli": patch
+---
+
+stop using bsdtar

apps/cli/src/commands/build.ts

@@ -197,13 +197,7 @@ Update your application Dockerfile using one of the templates at https://github.
             "crane",
             "export",
             "-", // OCI Image from stdin
-            "-", // rootfs tarball to stdout
-            "|",
-            "bsdtar",
-            "-cf",
-            "/tmp/output",
-            "--format=gnutar",
-            "@/dev/stdin", // rootfs tarball from stdin
+            "/tmp/output", // rootfs tarball
         ];
         return ["/usr/bin/env", "bash", "-c", cmd.join(" ")];
     }