chore: change branch master to main in github configurations (#700)

Author: Neenu1995

.github/blunderbuss.yml

@@ -1,5 +1,5 @@
 # Configuration for the Blunderbuss GitHub app. For more info see
-# https://github.com/googleapis/repo-automation-bots/tree/master/packages/blunderbuss
+# https://github.com/googleapis/repo-automation-bots/tree/main/packages/blunderbuss
 assign_issues:
   - simonz130
 assign_prs:

README.md

@@ -58,13 +58,13 @@ implementation 'com.google.cloud:google-cloud-logging'
 If you are using Gradle without BOM, add this to your dependencies
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-logging:3.1.2'
+implementation 'com.google.cloud:google-cloud-logging:3.2.0'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-logging" % "3.1.2"
+libraryDependencies += "com.google.cloud" % "google-cloud-logging" % "3.2.0"
 ```
 
 ## Authentication