Pinned Docker versions and preemptively fixed issues with ARIA

src/components/navbar.astro

@@ -7,7 +7,7 @@ const hamburger_src_url = `url("${hamburger.src}")`
 
 <header>
   <a href="/" rel="noopener noreferrer" aria-label="Home" role="button">
-    <Image src={logo} alt="FGO TA Logo" loading="eager"/>
+    <Image src={logo} alt="" loading="eager"/>
     <span class="visually-hidden">Logo</span>
   </a>
   <ul class="desktop">
@@ -18,7 +18,7 @@ const hamburger_src_url = `url("${hamburger.src}")`
     aria-label="Navigation Button"
     tabindex="0"
     onclick="this.focus()"
-    role="navigation"
+    role="button"
   >
     <ul>
       <slot name="mobile" />