fix(readme): use latest in npm version tag (#1872)

Author: trivikr

packages/eventstream-handler-node/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/eventstream-handler-node
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-handler-node/alpha.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-handler-node)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-handler-node/latest.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-handler-node)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/eventstream-handler-node.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-handler-node)
 
 > An internal package

packages/eventstream-serde-browser/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/eventstream-serde-browser
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-browser/alpha.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-browser)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-browser/latest.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-browser)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/eventstream-serde-browser.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-browser)
 
 > An internal package

packages/eventstream-serde-config-resolver/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/eventstream-serde-config-resolver
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-config-resolver/alpha.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-config-resolver)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-config-resolver/latest.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-config-resolver)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/eventstream-serde-config-resolver.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-config-resolver)
 
 > An internal package

packages/eventstream-serde-node/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/eventstream-serde-node
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-node/rc.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-node)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-node/latest.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-node)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/eventstream-serde-node.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-node)
 
 > An internal package

packages/eventstream-serde-universal/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/eventstream-serde-universal
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-universal/rc.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-universal)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/eventstream-serde-universal/latest.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-universal)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/eventstream-serde-universal.svg)](https://www.npmjs.com/package/@aws-sdk/eventstream-serde-universal)
 
 > An internal package

packages/invalid-dependency/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/invalid-dependency
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/invalid-dependency/rc.svg)](https://www.npmjs.com/package/@aws-sdk/invalid-dependency)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/invalid-dependency/latest.svg)](https://www.npmjs.com/package/@aws-sdk/invalid-dependency)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/invalid-dependency.svg)](https://www.npmjs.com/package/@aws-sdk/invalid-dependency)
 
 > An internal package

packages/karma-credential-loader/README.md

@@ -1,6 +1,6 @@
 # @aws-sdk/karma-credential-loader
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/karma-credential-loader/preview.svg)](https://www.npmjs.com/package/@aws-sdk/karma-credential-loader)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/karma-credential-loader/latest.svg)](https://www.npmjs.com/package/@aws-sdk/karma-credential-loader)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/karma-credential-loader.svg)](https://www.npmjs.com/package/@aws-sdk/karma-credential-loader)
 
 > An internal package

packages/middleware-eventstream/README.md

@@ -1,4 +1,4 @@
 # @aws-sdk/middleware-eventstream
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/middleware-eventstream/preview.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-eventstream)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/middleware-eventstream/latest.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-eventstream)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/middleware-eventstream.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-eventstream)

packages/middleware-host-header/README.md

@@ -1,4 +1,4 @@
 # @aws-sdk/middleware-host-header
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/middleware-host-header/rc.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-host-header)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/middleware-host-header/latest.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-host-header)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/middleware-host-header.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-host-header)

packages/middleware-sdk-machinelearning/README.md

@@ -1,4 +1,4 @@
 # @aws-sdk/middleware-sdk-machinelearning
 
-[![NPM version](https://img.shields.io/npm/v/@aws-sdk/middleware-sdk-machinelearning/rc.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-sdk-machinelearning)
+[![NPM version](https://img.shields.io/npm/v/@aws-sdk/middleware-sdk-machinelearning/latest.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-sdk-machinelearning)
 [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/middleware-sdk-machinelearning.svg)](https://www.npmjs.com/package/@aws-sdk/middleware-sdk-machinelearning)