Update linter.yaml

Author: Zabuzard

.github/workflows/linter.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      
+
       - name: markdownlint-cli
         uses: nosborn/github-action-markdown-cli@v3.2.0
         with: