Update blank.yml

Author: Xpsoted

.github/workflows/blank.yml

@@ -83,11 +83,13 @@ jobs:
     - name: Download boot or recovery img
       run: |
         PATH=~/bin:$PATH
+        cd ${{ steps.pwd.outputs.pwd }}
         wget ${{ github.event.inputs.IMG_URL }}
       
     - name: Start build device tree
       run: |
         PATH=~/bin:$PATH
+        cd ${{ steps.pwd.outputs.pwd }}
         python3 -m twrpdtgen -o device/ *.img
 
     - name: Start build recovery