cargo: Set msrv to 1.86

We are using cargo-credential 0.4.9 which already uses 1.86.

Author: A6GibKm

Cargo.toml

@@ -21,7 +21,7 @@ categories = ["os::linux-apis", "os", "api-bindings"]
 repository = "https://github.com/bilelmoussaoui/oo7"
 homepage = "https://github.com/bilelmoussaoui/oo7"
 license = "MIT"
-rust-version = "1.85"
+rust-version = "1.86"
 exclude = ["org.freedesktop.Secrets.xml"]
 
 [workspace.dependencies]