ci: pass NEXT_PUBLIC_TRANSAK_* secrets to preview deploy

pull_request_target runs the workflow from main, not the PR branch.
These env vars must be on main for preview builds to inline them.

Author: victhorbi

.github/workflows/deploy-preview.yaml

@@ -69,6 +69,8 @@ jobs:
             NEXT_PUBLIC_PRIVY_APP_ID: ${{ secrets.NEXT_PUBLIC_PRIVY_APP_ID }}
             NEXT_PUBLIC_PRIVY_CLIENT_ID: ${{ secrets.NEXT_PUBLIC_PRIVY_CLIENT_ID }}
             NEXT_PUBLIC_DELEGATOR_URL: ${{ secrets.NEXT_PUBLIC_DELEGATOR_URL }}
+            NEXT_PUBLIC_TRANSAK_API_KEY: ${{ secrets.NEXT_PUBLIC_TRANSAK_API_KEY }}
+            NEXT_PUBLIC_TRANSAK_API_URL: ${{ secrets.NEXT_PUBLIC_TRANSAK_API_URL }}
             NEXT_PUBLIC_NETWORK_TYPE: 'main'
             AWS_REGION: eu-west-1
             BRANCH_NAME: ${{ github.event.pull_request.head.ref }}