chore(deps): pin apache/skywalking-eyes action to 6ac3558 (#126)

Author: renovate-bot

.github/workflows/header-check.yml

@@ -27,4 +27,4 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Check License Header
-        uses: apache/skywalking-eyes/header@main
+        uses: apache/skywalking-eyes/header@6ac35584d6f923b6cb62f1ae8682c5bc60b537e4 # main