curl: Whitelist CVE-2021-22897

CVE-2021-22897 is affecting only Windows, hence whitelisting this CVE.
Link: https://security-tracker.debian.org/tracker/CVE-2021-22897
Link: https://ubuntu.com/security/CVE-2021-22897



Signed-off-by: Ranjitsinh Rathod <ranjitsinh.rathod@kpit.com>
Signed-off-by: Ranjitsinh Rathod <ranjitsinhrathod1991@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>