Update oqs-provider to the latest commit

The oqs-provider testing is fixed so it doesn't fetch OpenSSL
implementations during its testing inadvertently.

Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/28653)

diff --git a/oqs-provider b/oqs-provider
index c0ee292723fa1b37f86a42ddfdd804c35cc49ff3..35529a04b0530817c59dcf06df97493574428bd3 160000 (submodule)
--- a/oqs-provider
+++ b/oqs-provider
@@ -1 +1 @@
-Subproject commit c0ee292723fa1b37f86a42ddfdd804c35cc49ff3
+Subproject commit 35529a04b0530817c59dcf06df97493574428bd3