ci: use reusable lint-editorconfig workflow (#582)

Author: DeepDiver1975

.github/workflows/main.yml

@@ -10,13 +10,7 @@ on:
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
-
-      - uses: editorconfig-checker/action-editorconfig-checker@840e866d93b8e032123c23bac69dece044d4d84c
-
-      - run: editorconfig-checker
+    uses: owncloud-docker/ubuntu/.github/workflows/lint-editorconfig.yml@master
 
   build:
     needs: lint