update sharp and skip NDK install on M1

CHANGELOG.md

@@ -7,10 +7,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
-- Add iOS and Android beta tarballs for SDK 42.
-
-# [0.21.9] - 2021-06-15
-
 - Update `sharp` package, fixes support for M1 macs.
 
 # [0.21.8] - 2021-05-25

package.json

@@ -1,6 +1,6 @@
 {
   "name": "turtle-cli",
-  "version": "0.22.0",
+  "version": "0.21.8",
   "description": "The command-line tool for building standalone Expo apps",
   "preferGlobal": true,
   "scripts": {

shellTarballs/android/sdk42

@@ -1 +0,0 @@
-s3://exp-artifacts/android-shell-builder-23b3344b31421ceeb42566a46a9d9d5496435f69.tar.gz

shellTarballs/ios/sdk42

@@ -1 +0,0 @@
-s3://exp-artifacts/ios-shell-builder-sdk-latest-23b3344b31421ceeb42566a46a9d9d5496435f69.tar.gz