Issue #452: Update mentor experience text to at least 5 years (#458)

Co-authored-by: Brian Montgomery <brian@accessiblecommunity.org>

Author: shlokmestry

astro/src/pages/mutua11y/index.astro

@@ -168,7 +168,7 @@ const contributors = await getCollection("collaborators", ({ data }) => {
           Be a <strong>mentor</strong>.
         </h3>
         <p class="text-center">
-          We are looking for mentors with at least 5-10 years of experience in
+          We are looking for mentors with at least 5 years of experience in
           digital accessibility.
         </p>
         <div class="text-center">