Main changes

This is the first release of Taurus testnet.
Since Gemini-3h, there have been several changes and improvements:

• KZG endianness changed to match upstream
• added pallet for history seeding on network start
• updated parameters closer to mainnet
• added DSN archiving notifications for simplified retrieval
• optimized piece cache sync and replotting
• fixed farming cluster hanging

Ubuntu and Windows x86-64 builds

There are two versions:

• skylake: for Intel Skylake/AMD Ryzen processors and newer
• x86-64-v2: for older processors since ~2009 and some old VMs
• older processors/VMs are no longer supported by official releases, but can still be compiled manually if desired
• x86-64 container images are built for Skylake/AMD Ryzen processors and newer only