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>

Cargo.toml

@@ -26,3 +26,6 @@ byteorder = "1.3"
 strum = { version = "0.26", features = ["derive"] }
 strum_macros = "0.26"
 zeroize = { version = "1", features = ["std", "zeroize_derive"] }
+
+[profile.release]
+strip = "none"