DEBIAN is case sensitive

.github/workflows/package_raspbian.yml

@@ -46,7 +46,7 @@ jobs:
 
       - name: build .debpkg
         run: |
-          mkdir -p .debpkg/debian
+          mkdir -p .debpkg/DEBIAN
           mkdir -p .debpkg/usr/share/doc/meshtasticd/web
           mkdir -p .debpkg/usr/sbin
           mkdir -p .debpkg/etc/meshtasticd
@@ -57,7 +57,8 @@ jobs:
           cp bin/config-dist.yaml .debpkg/etc/meshtasticd/config.yaml
           chmod +x .debpkg/usr/sbin/meshtasticd
           cp bin/meshtasticd.service .debpkg/usr/lib/systemd/system/meshtasticd.service
-          echo "/etc/meshtasticd/config.yaml" > .debpkg/debian/conffiles
+          echo "/etc/meshtasticd/config.yaml" > .debpkg/DEBIAN/conffiles
+          chmod +x .debpkg/DEBIAN/conffiles
 
       - uses: jiro4989/build-deb-action@v3
         with: