fix: ensure file type bit is set for rpm bundle (#5459)

By using the `permissions()` method of `FileOptionsBuilder`,
which was added in version 0.20.0 of the `rpm` crate, we fix
a bug where newer versions of `rpm` (the package, not the
crate) would fail when installing the bundle.

Cargo.lock

@@ -13112,9 +13112,9 @@ checksum = "6c20b6793b5c2fa6553b250154b78d6d0db37e72700ae35fad9387a46f487c97"
 
 [[package]]
 name = "rpm"
-version = "0.19.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95c0e45982d67e35e3bbffb24d95e3d0282211ac2dad755b2ab24b9ffc07b199"
+checksum = "42b9353ebc70385f83520d2490e23139ae78f897a5d7e3b7c34cb8a9f91c69a6"
 dependencies = [
  "base64 0.22.1",
  "bitflags 2.11.0",
@@ -13126,6 +13126,7 @@ dependencies = [
  "itertools 0.14.0",
  "log",
  "md-5",
+ "memchr",
  "nom 8.0.0",
  "num",
  "num-derive",