deps: fix OPENSSLDIR on Windows

Backslashes and spaces are need to be escaped to define OPENSSLDIR to
"C:\Program Files\Common Files\SSL".

PR-URL: https://github.com/nodejs/node/pull/29456
Refs: https://github.com/nodejs/node/pull/29455


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>