downloads: upgrade readline from 8.1 to 8.1.2

Author: indygreg

pythonbuild/downloads.py

@@ -276,10 +276,10 @@
         "version": "21.3.1",
     },
     "readline": {
-        "url": "https://ftp.gnu.org/gnu/readline/readline-8.1.tar.gz",
-        "size": 2993288,
-        "sha256": "f8ceb4ee131e3232226a17f51b164afc46cd0b9e6cef344be87c65962cb82b02",
-        "version": "8.1",
+        "url": "https://ftp.gnu.org/gnu/readline/readline-8.1.2.tar.gz",
+        "size": 2993073,
+        "sha256": "7589a2381a8419e68654a47623ce7dfcb756815c8fee726b98f90bf668af7bc6",
+        "version": "8.1.2",
         "library_names": ["readline"],
         "licenses": ["GPL-3.0"],
         "license_file": "LICENSE.readline.txt",