fix(deps): update rust crate polling to 3.6 (#32)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Cargo.toml

@@ -10,7 +10,7 @@ derive_more = "0.99"
 heapless = "0.8"
 log = "0.4"
 parking_lot = "0.12"
-polling = { version = "3.5", optional = true }
+polling = { version = "3.6", optional = true }
 socket2 = { version = "0.5", optional = true, features = ["all"] }
 tun = { version = "0.6", optional = true }