tic80pro image pull always

.woodpecker.yml

@@ -7,9 +7,11 @@ steps:
 
   - name: build
     image: git.teletype.hu/internal/tic80pro:latest
+    pull: true
     environment:
       XDG_RUNTIME_DIR: /tmp
     commands:
+      - 'sudo apt install lua'
       - 'make ci-export'
 
   - name: artifact