upip: Release 1.2.4.

Change PyPI URL to pypi.org.

upip/metadata.txt

@@ -1,6 +1,6 @@
 srctype = micropython-lib
 type = module
-version = 1.2.3
+version = 1.2.4
 author = Paul Sokolovsky
 extra_modules = upip_utarfile
 desc = Simple package manager for MicroPython.

upip/setup.py

@@ -7,7 +7,7 @@ sys.path.append("..")
 import sdist_upip
 
 setup(name='micropython-upip',
-      version='1.2.3',
+      version='1.2.4',
       description='Simple package manager for MicroPython.',
       long_description='Simple self-hosted package manager for MicroPython (requires usocket, ussl, uzlib, uctypes builtin modules). Compatible only with packages without custom setup.py code.',
       url='https://github.com/micropython/micropython-lib',