fix(examples): Label for non required field in form example (#3097)

Author: MewenLeHo

site/src/assets/examples/form/index.astro

@@ -218,7 +218,7 @@ export const aliases = [
                 </div>
               </div>
               <div class="mb-3">
-                <label for="website" id="websiteLabel" class="form-label">Website<span class="visually-hidden"> (required)</span></label>
+                <label for="website" id="websiteLabel" class="form-label">Website</label>
                 <input type="text" class="form-control" id="website" aria-labelledby="websiteLabel websiteFeedback">
                 <div class="valid-feedback">
                   Looks good!