docs/library/bluetooth: Add note that ESP32 supports pairing/bonding.

Pairing and bonding was fixed for the ESP32 in the two previous commits.

Signed-off-by: Daniël van de Giessen <daniel@dvdgiessen.nl>

docs/library/bluetooth.rst

@@ -722,7 +722,7 @@ Pairing and bonding
     and ``_IRQ_SET_SECRET`` events.
 
     **Note:** This is currently only supported when using the NimBLE stack on
-    STM32 and Unix (not ESP32).
+    ESP32, STM32 and Unix.
 
 .. method:: BLE.gap_pair(conn_handle, /)