Update release.yml (#122)

## What was changed
Try a different auth way for the second job

## Why?
to be able to identify as an app, not an action

## Checklist
<!--- add/delete as needed --->

1. Closes <!-- add issue number here -->

2. How was this tested:
<!--- Please describe how you tested your changes/how we can test them
-->

3. Any docs updates needed?
<!--- update README if applicable
      or point out where to update docs.temporal.io -->

Author: jackdawm

.github/workflows/release.yml

@@ -1,6 +1,7 @@
 name: release
 
 on:
+  workflow_dispatch:
   release:
     types:
       - published
@@ -55,16 +56,25 @@ jobs:
     needs: release
     runs-on: ubuntu-latest
     steps:
+
+      - name: Generate token
+        id: generate_token
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ secrets.TEMPORAL_CICD_APP_ID }}
+          private-key: ${{ secrets.TEMPORAL_CICD_PRIVATE_KEY }}
+          owner: ${{ github.repository_owner }}
+          
       - name: Checkout
         uses: actions/checkout@v4
         with:
+          token: ${{ steps.generate_token.outputs.token }}
           ref: main
           fetch-depth: 0
 
       - name: Configure Git
         run: |
-          git config user.name "temporal-cicd[app]"
-          git config user.email "[email protected]"
+          echo ${{ steps.generate_token.outputs.token }} | gh auth login --with-token
 
       - name: Install Helm
         uses: azure/setup-helm@v3