Fix bound checking when erasing FlashRegion

Allow the exclusive address_to to be equal to the exclusive upper bound of a partition.

Author: wzhd

esp-bootloader-esp-idf/src/partitions.rs

@@ -649,7 +649,7 @@ where
             return Err(Error::OutOfBounds);
         }
 
-        if !self.range().contains(&address_to) {
+        if !address_to <= self.range().end {
             return Err(Error::OutOfBounds);
         }