[8.0] Request backport for #114261 - "in rsa signatures, configure digest before padding mode"

[trianglee]

Can PR #114261 be backported to .NET 8? It fixes an issue with using a specific signature padding algorithm when .NET is compiled in FIPS mode on Linux (see original issue - #114260).

The fix appears small and self-contained, and a workaround without the fix is hard because changing a signature algorithm causes backwards compatibility issues.

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[vcsjones]

Backport PRs are open, but at this point nothing is guaranteed yet. Needs sign-off from @bartonjs and shiproom still.

[vcsjones]

The back ports for this have been merged. Closing as complete.