ci: add missing checkout step (#3791)

Author: msanft

.github/workflows/check-measurements-reproducibility.yml

@@ -17,7 +17,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        
+        with:
+          ref: ${{ inputs.ref || github.ref }}
+
       - name: Check reproducibility
         uses: ./.github/actions/check_measurements_reproducibility
         with:

.github/workflows/release.yml

@@ -244,6 +244,11 @@ jobs:
     needs: [verify-inputs, os-image]
     runs-on: ubuntu-24.04
     steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          ref: ${{ needs.verify-inputs.outputs.WORKING_BRANCH }}
+
       - name: Check reproducibility
         uses: ./.github/actions/check_measurements_reproducibility
         with: