chore(deps): pin dependencies

Author: renovate[bot]

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - uses: denoland/setup-deno@v2
         with:

public/index.html

@@ -7,7 +7,7 @@
         <title>App Center</title>
         <link
           rel="stylesheet"
-          href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.2.0/github-markdown.min.css"
+          href="https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/5.8.1/github-markdown.min.css"
         />
         <style>
           @media (prefers-color-scheme: dark) {