chore: release 1.3.0 (#262)

* updated CHANGELOG.md [ci skip]

* updated package.json [ci skip]

* updated samples/package.json [ci skip]

Author: yoshi-automation

texttospeech/package.json

@@ -14,7 +14,7 @@
     "test": "mocha --timeout=60000"
   },
   "dependencies": {
-    "@google-cloud/text-to-speech": "^1.2.0",
+    "@google-cloud/text-to-speech": "^1.3.0",
     "yargs": "^14.0.0"
   },
   "devDependencies": {