add env for step

.github/workflows/maintenance-rewrite-kernel-patches.yml

@@ -61,6 +61,8 @@ jobs:
           ./compile.sh "BOARD=$BOARD" "BRANCH=$BRANCH" "$WHATTODO" KERNEL_GIT=shallow
 
       - name: Check for changes
+        env:
+          WHATTODO: ${{ inputs.whattodo }}
         id: check_changes
         run: |
           set -euo pipefail
@@ -73,6 +75,8 @@ jobs:
           fi
 
       - name: Build PR body
+        env:
+          WHATTODO: ${{ inputs.whattodo }}
         id: build_pr_body
         if: steps.check_changes.outputs.has_changes == 'true'
         run: |