setup user name and email

.github/workflows/dispatch-update.yml

@@ -3,6 +3,9 @@ name: Update Docs Version
 on:
   repository_dispatch:
     types: [update-version]
+  push:
+    branches:
+      - fix_dispatch_trigger
 
 jobs:
   update-docs-version:
@@ -14,6 +17,14 @@ jobs:
       - name: Extract tag name
         run: echo "TAG_NAME=${{ github.event.client_payload.tag }}" >> $GITHUB_ENV
 
+      - name: Set up Git user identity
+        run: |
+          git config --global user.name "obol-platform"
+          git config --global user.email "platform@obol.tech"
+
+      - name: Set TAG_NAME environment variable
+        run: echo "TAG_NAME=v1.1.3" >> $GITHUB_ENV
+
       - name: Update docs to new version
         run: |
           TAG_NAME="$(echo "${TAG_NAME}" | sed 's/^v//')"
@@ -44,7 +55,7 @@ jobs:
         uses: peter-evans/create-pull-request@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          base: main
-          head: update-version-${{ env.TAG_NAME }}
+          branch: update-version-${{ env.TAG_NAME }}
+          delete-branch: true
           title: "Update docs to use version v${TAG_NAME}"
           body: "Automatically generated PR to update documentation for version v${TAG_NAME}"