ORC-1067: Upgrade ZSTD to 1.5.1 (#981)
ORC-1067: Upgrade ZSTD to 1.5.1 (#981)

### What changes were proposed in this pull request?

Upgrade zstd in the C++ library to version 1.5.1.


### Why are the changes needed?
This version is primarily a maintenance release that contains a variety of small bug fixes and improvements to the testing process. It also includes small performance improvements (~3-5%) at the fast compression levels. The release notes are here:

https://github.com/facebook/zstd/releases/tag/v1.5.1

### How was this patch tested?
Builds and passes CIs.

apache/orc,apache/orc,apache/orc,apache/orc,apache/orc,apache/orc,apache/orc,apache/orc