chore: release 4.8.0 (#795)

🤖 I have created a release \*beep\* \*boop\*
---
## [4.8.0](https://www.github.com/googleapis/nodejs-speech/compare/v4.7.0...v4.8.0) (2021-08-23)


### Features

* turns on self-signed JWT feature flag ([#794](https://www.github.com/googleapis/nodejs-speech/issues/794)) ([8e655cd](https://www.github.com/googleapis/nodejs-speech/commit/8e655cd9efc3515bd452e3ab6349adeb9ddfd104))
---


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Author: release-please[bot]

packages/google-cloud-node/CHANGELOG.md

@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/speech?activeTab=versions
 
+## [4.8.0](https://www.github.com/googleapis/nodejs-speech/compare/v4.7.0...v4.8.0) (2021-08-23)
+
+
+### Features
+
+* turns on self-signed JWT feature flag ([#794](https://www.github.com/googleapis/nodejs-speech/issues/794)) ([8e655cd](https://www.github.com/googleapis/nodejs-speech/commit/8e655cd9efc3515bd452e3ab6349adeb9ddfd104))
+
 ## [4.7.0](https://www.github.com/googleapis/nodejs-speech/compare/v4.6.1...v4.7.0) (2021-08-19)
 
 

packages/google-cloud-node/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/speech",
   "description": "Cloud Speech Client Library for Node.js",
-  "version": "4.7.0",
+  "version": "4.8.0",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {

packages/google-cloud-node/samples/package.json

@@ -15,7 +15,7 @@
     "test": "c8 mocha system-test --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/speech": "^4.7.0",
+    "@google-cloud/speech": "^4.8.0",
     "@google-cloud/storage": "^5.0.0",
     "chalk": "^4.0.0",
     "node-record-lpcm16": "^1.0.1",