Add new I2C address for SHT40-CD1B-R3

There is this new kid on the block and the address set used by the
SHT4Tx device family has been extended. Let's prepare handling this enum
for further additions by marking it as non-exhaustive.

src/types.rs

@@ -3,16 +3,19 @@ use fixed::types::{I16F16, I18F14, U16F16};
 /// I2C adresses used by STH4x sensors.
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 #[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
+#[non_exhaustive]
 pub enum Address {
     Address0x44,
     Address0x45,
+    Address0x46,
 }
 
 impl From<Address> for u8 {
     fn from(address: Address) -> Self {
         match address {
             Address::Address0x44 => 0x44,
             Address::Address0x45 => 0x45,
+            Address::Address0x46 => 0x46,
         }
     }
 }