Bump frenck/action-addon-linter from 2.18 to 2.20 (#116)

Author: dependabot[bot]

.github/workflows/lint.yaml

@@ -36,6 +36,6 @@ jobs:
         uses: actions/checkout@v5.0.0
 
       - name: 🚀 Run Home Assistant Add-on Lint
-        uses: frenck/action-addon-linter@v2.18
+        uses: frenck/action-addon-linter@v2.20
         with:
           path: "./${{ matrix.path }}"