CI: Bump upgrade openssl used on appveyor from 1.0.2 to 1.1.1

(cherry picked from commit 63f6626c46)

appveyor.yml

@@ -5,7 +5,7 @@ init:
 - ps: ''
 environment:
   BOOST_ROOT: C:\Libraries\boost_1_73_0
-  OPENSSL_ROOT_DIR: C:\OpenSSL-Win64
+  OPENSSL_ROOT_DIR: C:\OpenSSL-v111-Win64
 build_script:
 - cmd: >-
     git config user.email "appveyor@build.bot" && git config user.name "AppVeyor"