Updated sha2 values for micropython-1.12 after tarball updates. (#1587)

See https://github.com/micropython/micropython/issues/5884

plugins/python-build/share/python-build/micropython-1.12

@@ -1,5 +1,5 @@
 #require_gcc
 has_tar_xz_support \
-  && src="https://micropython.org/resources/source/micropython-1.12.tar.xz#25938e536f945c706f685f611e048acbca765b0380454dac88132803a5f75790" \
-  || src="https://github.com/micropython/micropython/releases/download/v1.12/micropython-1.12.tar.gz#be2041924496f49b580f06c2d328c7757bbc7b62408abb11841ebeb87302c575"
+  && src="https://micropython.org/resources/source/micropython-1.12.tar.xz#181bfe82ba310a3f91540ee70d373f247141db3f9de8082fb189145df085d1b4" \
+  || src="https://github.com/micropython/micropython/releases/download/v1.12/micropython-1.12.tar.gz#98fd02366bca23a61c77bbf2b999a45cfc237132db66b5b0874378a5446d81ba"
 install_package micropython-1.12 "$src" micropython