Bump DavidAnson/markdownlint-cli2-action from 14.0.0 to 15.0.0 (exercism#2653)

dependabot[bot] · web-flow · commit 4949812410b0 · 2024-01-19T07:04:41.000+01:00
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
@@ -31,4 +31,4 @@ jobs:
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Lint markdown
-        uses: DavidAnson/markdownlint-cli2-action@455b6612a7b7a80f28be9e019b70abdd11696e4e
+        uses: DavidAnson/markdownlint-cli2-action@510b996878fc0d1a46c8a04ec86b06dbfba09de7
