Update holiday-generator.yml

Author: naveensingh

.github/workflows/holiday-generator.yml

@@ -25,6 +25,7 @@ jobs:
               uses: peter-evans/create-pull-request@v6
               with:
                 token: ${{ secrets.FOSSIFYBOT_TOKEN }}
+                committer: 'fossifybot <[email protected]>'
                 commit-message: 'Autogenerated holidays update'
                 title: 'Holidays update'
                 body: ' '