ravi/fix hover on cta (#184)

Linear issue:
https://linear.app/interledger/issue/DEVPORT-25/engineering-blog-cta-text-disappears-on-hover
The PR fixes the css so that the correct link colour is used on hover

Author: Infi-Knight

bun.lock

@@ -8,7 +8,7 @@
         "@astrojs/mdx": "^4.3.12",
         "@astrojs/node": "^9.5.1",
         "@astrojs/starlight": "^0.36.3",
-        "@interledger/docs-design-system": "^0.10.1",
+        "@interledger/docs-design-system": "^0.10.3",
         "@types/showdown": "^2.0.6",
         "astro": "^5.16.0",
         "html-to-text": "^9.0.5",
@@ -226,7 +226,7 @@
 
     "@img/sharp-win32-x64": ["@img/[email protected]", "", { "os": "win32", "cpu": "x64" }, "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw=="],
 
-    "@interledger/docs-design-system": ["@interledger/[email protected].1", "", { "dependencies": { "mermaid": "^11.12.1" } }, "sha512-/nlTob1j+vsKycp9Q39ThZOyztBxNtWEKI0l3jaA+Px8hVzrizRa7ZtaaR4ZuYgoPRWGJPgXTi5tWdG+eiPybw=="],
+    "@interledger/docs-design-system": ["@interledger/[email protected].3", "", { "dependencies": { "mermaid": "^11.12.1" } }, "sha512-kQdpHUDqS3RWYrYuL6dunOG0h0alNZBNqh2n+J09LCiDxwz9/7aVvF8fCdo2gaTI8w+lcE9/CRnuEF7h26PLUA=="],
 
     "@jridgewell/sourcemap-codec": ["@jridgewell/[email protected]", "", {}, "sha512-cYQ9310grqxueWbl+WuIUIaiUaDcj7WOq5fVhEljNVgRfOUhY9fy2zTvfoqWsnebh8Sl70VScFbICvJnLKB0Og=="],
 

src/pages/index.astro

@@ -30,6 +30,7 @@ import BaseLayout from '../layouts/BaseLayout.astro'
               href="https://github.com/interledger"
               target="_blank"
               rel="noopener noreferrer"
+              class="hero__link"
               ><span>Contribute on Github</span>
               <ExternalIcon class="external" />
             </a>
@@ -234,6 +235,10 @@ import BaseLayout from '../layouts/BaseLayout.astro'
     color: var(--color-white);
   }
 
+  .hero__link:hover {
+    color: var(--color-white);
+  }
+
   a:hover span {
     text-decoration-color: inherit;
   }
@@ -369,4 +374,8 @@ import BaseLayout from '../layouts/BaseLayout.astro'
     margin-block-start: var(--space-xs);
     padding: var(--space-2xs) var(--space-xs);
   }
+
+  a.card__btn:hover {
+    color: var(--color-white);
+  }
 </style>