fix: data migration docker image doesnt always get latest tag

.github/workflows/release-docker-github-data-migration.yml

@@ -1,10 +1,5 @@
 name: Docker for Data Migrations
 
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
 on:
   workflow_dispatch:
   push:
@@ -12,7 +7,6 @@ on:
       - "v*"
 
 env:
-  # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io
   IMAGE_NAME: formbricks/data-migrations
   DATABASE_URL: "postgresql://postgres:postgres@postgres:5432/formbricks?schema=public"
@@ -23,8 +17,6 @@ jobs:
     permissions:
       contents: read
       packages: write
-      # This is used to complete the identity challenge
-      # with sigstore/fulcio when running outside of PRs.
       id-token: write
 
     steps:
@@ -50,6 +42,7 @@ jobs:
           tags: |
             type=ref,event=tag
             type=raw,value=${{ github.ref_name }}
+            type=raw,value=latest
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v3
@@ -66,3 +59,4 @@ jobs:
         if: ${{ github.event_name != 'pull_request' }}
         run: |
           cosign sign --yes ghcr.io/${{ env.IMAGE_NAME }}:${{ github.ref_name }}
+          cosign sign --yes ghcr.io/${{ env.IMAGE_NAME }}:latest