Remove direct embedded-hal v0.2 dependency (esp-rs#466)

* Remove direct embedded-hal v0.2 dependency

* Add changelog entry.

Author: onestacked

esp-wifi/Cargo.toml

@@ -27,7 +27,6 @@ esp-hal = { workspace = true }
 smoltcp = { workspace = true, optional = true }
 critical-section.workspace = true
 log = { workspace = true, optional = true }
-embedded-hal = { workspace = true }
 embedded-svc = { workspace = true, optional = true }
 enumset = { workspace = true, optional = true }
 linked_list_allocator = { workspace = true }