chore: make owlbot check required (#752)

Author: Neenu1995

.github/sync-repo-settings.yaml

@@ -16,6 +16,7 @@ branchProtectionRules:
       - units (11)
       - 'Kokoro - Test: Integration'
       - cla/google
+      - OwlBot Post Processor
   - pattern: java7
     isAdminEnforced: true
     requiredApprovingReviewCount: 1

README.md

@@ -62,13 +62,13 @@ implementation 'com.google.cloud:google-cloud-speech'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-speech:2.2.0'
+implementation 'com.google.cloud:google-cloud-speech:2.2.1'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-speech" % "2.2.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-speech" % "2.2.1"
 ```
 
 ## Authentication