Bump github.com/DataDog/zstd from 1.5.0 to 1.5.2 (#401)

Bumps [github.com/DataDog/zstd](https://github.com/DataDog/zstd) from 1.5.0 to 1.5.2.
- [Release notes](https://github.com/DataDog/zstd/releases)
- [Commits](DataDog/zstd@v1.5.0...v1.5.2)

---
updated-dependencies:
- dependency-name: github.com/DataDog/zstd
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/coinbase/rosetta-sdk-go
 go 1.16
 
 require (
-	github.com/DataDog/zstd v1.5.0
+	github.com/DataDog/zstd v1.5.2
 	github.com/Zilliqa/gozilliqa-sdk v1.2.1-0.20201201074141-dd0ecada1be6
 	github.com/btcsuite/btcd v0.22.1
 	github.com/cenkalti/backoff v2.2.1+incompatible

go.sum

@@ -28,8 +28,8 @@ github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v0.3.0/go.mod h1:tPaiy8S5bQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
-github.com/DataDog/zstd v1.5.0 h1:+K/VEwIAaPcHiMtQvpLD4lqW7f0Gk3xdYZmI1hD+CXo=
-github.com/DataDog/zstd v1.5.0/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
+github.com/DataDog/zstd v1.5.2 h1:vUG4lAyuPCXO0TLbXvPv7EB7cNK1QV/luu55UHLrrn8=
+github.com/DataDog/zstd v1.5.2/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=