Update version to 1.4.0 (#75)

Co-authored-by: reuvenp <reuvenp@altair-semi.com>

Author: reuvenperetz

mct_quantizers/__init__.py

@@ -13,7 +13,7 @@
 # limitations under the License.
 # ==============================================================================
 
-__version__ = "1.3.0"
+__version__ = "1.4.0"
 
 
 from mct_quantizers.common.base_inferable_quantizer import QuantizationTarget, BaseInferableQuantizer, mark_quantizer