Update the oqs-provider submodule to a more recent commit

Also update the oqsprovider.sh file to not run the preptests.sh script
which is no longer required

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18132)

1 files changed, 0 insertions, 0 deletions

diff --git a/oqs-provider b/oqs-provider
-Subproject e422884c2387006f68f4c192b3dcb6be3160e7d
+Subproject 8cd9487efc0860d82fe7e87174f20775688f6db