chore(deps): pin dependencies (#63)

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@ab3d1fe50d23f9c82eff489297167e2dde8ba6cb # main

.github/workflows/mcp-check.yml

@@ -30,7 +30,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20'