Leftover: Set minimum supported rust version to 1.77

Signed-off-by: Gris Ge <fge@redhat.com>

Author: cathay4t

Cargo.toml

@@ -5,7 +5,7 @@ version = "0.3.1"
 authors = ["Gris Ge <fge@redhat.com>"]
 license = "MIT"
 edition = "2021"
-rust-version = "1.87"
+rust-version = "1.77"
 description = "Linux kernel wireless(802.11) netlink Library"
 homepage = "https://github.com/rust-netlink/wl-nl80211"
 repository = "https://github.com/rust-netlink/wl-nl80211"