fix(deps): update dependency @google-cloud/text-to-speech to v1

Author: renovate[bot]

functions/speech-to-speech/functions/package.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "@google-cloud/speech": "^2.1.0",
     "@google-cloud/storage": "^2.0.3",
-    "@google-cloud/text-to-speech": "^0.5.0",
+    "@google-cloud/text-to-speech": "^1.0.0",
     "@google-cloud/translate": "^3.0.0",
     "uuid": "^3.3.2",
     "firebase-admin": "^7.2.0",