downloads: upgrade ncurses from 6.2 to 6.3

Author: indygreg

pythonbuild/downloads.py

@@ -228,10 +228,10 @@
         "version": "1.2.2",
     },
     "ncurses": {
-        "url": "https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.2.tar.gz",
-        "size": 3425862,
-        "sha256": "30306e0c76e0f9f1f0de987cf1c82a5c21e1ce6568b9227f7da5b71cbea86c9d",
-        "version": "6.2",
+        "url": "https://ftp.gnu.org/pub/gnu/ncurses/ncurses-6.3.tar.gz",
+        "size": 3583550,
+        "sha256": "97fc51ac2b085d4cde31ef4d2c3122c21abc217e9090a43a30fc5ec21684e059",
+        "version": "6.3",
         "library_names": ["ncurses", "ncursesw", "panel", "panelw"],
         "licenses": ["X11"],
         "license_file": "LICENSE.ncurses.txt",