package/micropython: bump to v1.14

Micropython 1.4 brings many changes, see the release notes:
https://github.com/micropython/micropython/releases/tag/v1.14

Amongst these changes, Micropython can now produce reproducible
builds, using the standard SOURCE_DATE_EPOCH.

The LICENSE hash changed because the copyright year range was extended
to 2021.

Signed-off-by: Titouan Christophe <titouanchristophe@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/micropython/micropython.hash

@@ -1,3 +1,3 @@
 #locally computed
-sha256  31466dacebeb3af60dc80a071a07c3e15b657219a826e0b6ac741f9f22472f23  micropython-1.13.tar.gz
-sha256  4b8a8884a60cd72749f9ef40328b85b40d13c22594c01352e0a55392141e0f89  LICENSE
+sha256  542eb120df8d9eb6f200bcd856294e143813adea9dda0d7189405c218d4b16f7  micropython-1.14.tar.gz
+sha256  9c6089e26c8638a0645bcb0db2c85051f82de8022dcd07fb22baa0c5f9362085  LICENSE

package/micropython/micropython.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MICROPYTHON_VERSION = 1.13
+MICROPYTHON_VERSION = 1.14
 MICROPYTHON_SITE = $(call github,micropython,micropython,v$(MICROPYTHON_VERSION))
 MICROPYTHON_LICENSE = MIT
 MICROPYTHON_LICENSE_FILES = LICENSE