Use php/php-sdk-binary-tools.git for AppVeyor builds

Author: cmb69

appveyor/build.bat

@@ -1,6 +1,6 @@
 @echo off
 
-set SDK_REMOTE=https://github.com/Microsoft/php-sdk-binary-tools.git
+set SDK_REMOTE=https://github.com/php/php-sdk-binary-tools.git
 set SDK_BRANCH=%PHP_BUILD_SDK_BRANCH%
 set SDK_RUNNER=%PHP_BUILD_CACHE_SDK_DIR%\phpsdk-%PHP_BUILD_CRT%-%PLATFORM%.bat