fix: checkout correct sha (#4091)

Author: David Cavazos

.github/workflows/custard-run-dev.yaml

@@ -82,6 +82,8 @@ jobs:
           if: ${{ !!github.event.workflow_run }}
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          ref: ${{ github.event.workflow_run.head_sha || inputs.ref || github.sha }}
       - name: Authenticate
         uses: google-github-actions/auth@ba79af03959ebeac9769e648f473a284504d9193 # v2.1.10
         id: auth

.github/workflows/custard-run.yaml

@@ -77,6 +77,8 @@ jobs:
           if: ${{ !!github.event.workflow_run }}
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          ref: ${{ github.event.workflow_run.head_sha || inputs.ref || github.sha }}
       - name: Setup Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with: