numpy: bump to version 1.21.4

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python/numpy/Makefile

@@ -6,11 +6,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=numpy
-PKG_VERSION:=1.21.3
+PKG_VERSION:=1.21.4
 PKG_RELEASE:=$(AUTORELEASE)
 
 PYPI_NAME:=$(PKG_NAME)
-PKG_HASH:=63571bb7897a584ca3249c86dd01c10bcb5fe4296e3568b2e9c1a55356b6410e
+PKG_HASH:=e6c76a87633aa3fa16614b61ccedfae45b91df2767cf097aa9c933932a7ed1e0
 
 PKG_MAINTAINER:=Alexandru Ardelean <ardeleanalex@gmail.com>