Workflows: Chmod 777 for GITHUB_WORKSPACE/tmp

Author: SuLingGG

.github/workflows/build-rpi4-lean-openwrt-new.yml

@@ -211,6 +211,7 @@ jobs:
           sudo mount -o nossd,compress=zstd $ROOT_LOOP_DEVNAME $GITHUB_WORKSPACE
           sudo chown -R runner:runner $GITHUB_WORKSPACE
           mkdir $GITHUB_WORKSPACE/tmp
+          chmod 777 $GITHUB_WORKSPACE/tmp
           sudo cp -rp /tmp/* $GITHUB_WORKSPACE/tmp
           sudo mount -B $GITHUB_WORKSPACE/tmp /tmp
           df -hT $GITHUB_WORKSPACE