Since windows.php.net is in the progress to be migrated to
downloads.php.net anyway, we may as well fetch the dictionary from the
new site right away.
Closes GH-16310.
php_pdo_firebird.dll depends on fbclient.dll, which is shipped with the
server. However, a 64bit Firebird server ships a 64bit fbclient.dll,
which is not compatible with a 32bit php_pdo_firebird.dll.
Closes GH-16223.
That was broken when CI was moved to GH, since `APPVEYOR_BUILD_FOLDER`
is no longer set; instead we use `GITHUB_WORKSPACE` which has the same
meaning.
Closes GH-15896.
The path to mysql.exe changed. Fortunately, chocolately puts the folder
containing the exe in the PATH environment variable, so we don't even
need to provide an absolute path.