VOL-4925 - Build and release components.

VERSION
-------
  o Bump version file for release.

Misc/
-----
  o Update copyright notice to force a release build.

Change-Id: I49f5c11b24f5b0e7fd9ab1eee1a98fef271a2a52
diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go b/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go
new file mode 100644
index 0000000..ad14b80
--- /dev/null
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go
@@ -0,0 +1,13 @@
+// +build !appengine
+// +build gc
+// +build !purego
+
+package xxhash
+
+// Sum64 computes the 64-bit xxHash digest of b.
+//
+//go:noescape
+func Sum64(b []byte) uint64
+
+//go:noescape
+func writeBlocks(d *Digest, b []byte) int