Update lint_generated_html.yml

Bump lychee-action to 2.6.1

Author: noseglasses

.github/workflows/lint_generated_html.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: HTML Link Check
-      uses: lycheeverse/lychee-action@v2.0.2
+      uses: lycheeverse/lychee-action@v2.6.1
       id: lychee_html
       with:
         args: --verbose --no-progress "/github/workspace/test_output/**/*.html"