downloads: update OpenSSL to 1.1.1c

Author: indygreg

pythonbuild/downloads.py

@@ -210,10 +210,10 @@
         'version': '1.8.2',
     },
     'openssl': {
-        'url': 'https://www.openssl.org/source/openssl-1.1.1b.tar.gz',
-        'size': 8213737,
-        'sha256': '5c557b023230413dfb0756f3137a13e6d726838ccd1430888ad15bfb2b43ea4b',
-        'version': '1.1.1b',
+        'url': 'https://www.openssl.org/source/openssl-1.1.1c.tar.gz',
+        'size': 8864262,
+        'sha256': 'f6fb3079ad15076154eda9413fed42877d668e7069d9b87396d0804fdb3f4c90',
+        'version': '1.1.1c',
         'library_names': ['crypto', 'ssl'],
         'licenses': ['OpenSSL'],
         'license_file': 'LICENSE.openssl.txt',