embedded: Upgrade to embedded-hal 1.0.0-alpha.9

Author: dbrgn

Cargo.toml

@@ -39,7 +39,7 @@ features = [
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"], optional = true }
-embedded-hal = { version = "=1.0.0-alpha.8", optional = true }
+embedded-hal = { version = "=1.0.0-alpha.9", optional = true }
 nb = { version = "1", optional = true }
 
 [dev-dependencies]