fix: change to the proper author (#4141)

## About the changes
Based on the information displayed here
https://github.com/Unleash/unleash/actions/runs/5456442710/jobs/9929252672#step:3:11
this is how we should get the email and name of the committer

.github/workflows/notify_enterprise.yaml

@@ -29,6 +29,7 @@ jobs:
           echo "github.event.head_commit.committer.email: ${{ github.event.head_commit.committer.email }}"
           echo "github.actor: ${{ github.actor }}"
           echo "github.event.commits[0].author.name ${{ github.event.commits[0].author.name }}"
+          echo "github.event.commits[0].author.email ${{ github.event.commits[0].author.email }}"
       - name: Trigger sync
         uses: actions/github-script@v6
         with:
@@ -41,7 +42,7 @@ jobs:
               ref: 'master',
               inputs: {
                  commit: "${{ github.event.head_commit.id }}",
-                 actor: "${{ github.event.head_commit.committer.name || github.actor }} <${{ github.event.head_commit.committer.email }}>",
+                 actor: "${{ github.event.commits[0].author.name }} <${{ github.event.commits[0].author.email }}>",
                  message: ${{ toJSON(github.event.head_commit.message) }},
               }
             })