Fix the author of VMR commits (#17759)

eng/pipelines/templates/jobs/vmr-synchronization.yml

@@ -56,12 +56,6 @@ jobs:
       vmrBranch: ${{ parameters.vmrBranch }}
       targetRef: ${{ parameters.targetRef }}
 
-  - script: |
-      git config --global user.name "dotnet-maestro[bot]"
-      git config --global user.email "dotnet-maestro[bot]@users.noreply.github.com"
-    displayName: Set git author to dotnet-maestro[bot]
-
-  
   - ${{ if and(not(parameters.noPush), not(in(variables['Build.Reason'], 'PullRequest')), eq(variables['System.TeamProject'], 'internal')) }}:
     # Push main and release branches to the public VMR
     - ${{ if or(eq(parameters.vmrBranch, 'main'), startsWith(parameters.vmrBranch, 'release/')) }}:

eng/pipelines/templates/steps/vmr-pull-updates.yml

@@ -26,6 +26,7 @@ steps:
 # we still pull the commit into the temporary installer clone to use it during the sync.
 - script: |
     git branch installer-head
+    git rev-parse HEAD
   displayName: Label PR commit
   workingDirectory: $(Agent.BuildDirectory)/installer
 
@@ -35,6 +36,12 @@ steps:
   displayName: Prepare branch ${{ parameters.vmrBranch }}
   workingDirectory: ${{ parameters.vmrPath }}
 
+- script: |
+    git config --global user.name "dotnet-maestro[bot]"
+    git config --global user.email "dotnet-maestro[bot]@users.noreply.github.com"
+  displayName: Set git author to dotnet-maestro[bot]
+  workingDirectory: ${{ parameters.vmrPath }}
+
 - script: >
     ./eng/vmr-sync.sh
     --vmr ${{ parameters.vmrPath }}