include debuginfo in bcachefs binary by default

The debuginfo is used by the "bcachefs debug" and "bcachefs list_bkeys"
commands.

Rust 1.77 [1] changed Cargo's release profile to strip debuginfo by default,
but we always want it included.

[1] rust-lang/cargo#13257

Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>

Author: bertschingert

Cargo.toml

@@ -23,3 +23,6 @@ either = "1.5"
 rpassword = "7"
 bch_bindgen = { path = "bch_bindgen" }
 byteorder = "1.3"
+
+[profile.release]
+strip = "none"