Provider compat CI: Force copy of fips.so and fipsmodule.cnf

If the target branch is >4.0 the destination files
can be read-only.

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Eugene Syromiatnikov <esyr@openssl.org>
Merge-date: Mon Sep  7 18:14:53 2026
Merged-from: https://github.com/openssl/openssl/pull/32675