Update to OpenSSL 3.0
From https://www.openssl.org/source/:
The previous LTS version (the 1.1.1 series) is also available and is supported until 11th September 2023.
Our estimation is that for the end of September we'll release 13.0 stable.
However, I think that we should account for any emergency and/or postponed release, and updating 12.5 to OpenSSL 3.0 while it's still in alpha seems like a good idea to me.
I'm saying 3.0 because it's a LTS, and it's supported until September 2026, whereas 3.1 is supported only up to March 2025.