Merge pull request #1232 from microsoftgraph/fix/java-default-branch

Change Java base branch to main

Author: Ndiritu

.azure-pipelines/generation-pipeline.yml

@@ -452,7 +452,7 @@ stages:
         language: 'java'
         version: ''
         repoName: 'msgraph-sdk-java'
-        baseBranchName: 'dev'
+        baseBranchName: 'main'
         branchName: '$(v1Branch)'
         targetClassName: "BaseGraphServiceClient"
         targetNamespace: "com.Microsoft.Graph"
@@ -483,7 +483,7 @@ stages:
         language: 'java'
         version: 'beta'
         repoName: 'msgraph-beta-sdk-java'
-        baseBranchName: 'dev'
+        baseBranchName: 'main'
         branchName: '$(betaBranch)'
         targetClassName: "BaseGraphServiceClient"
         targetNamespace: "com.Microsoft.Graph.Beta"