Fix clap links

Author: onur

templates/about.hbs

@@ -46,11 +46,11 @@
         <td>Latest version of clap</td>
       </tr>
       <tr>
-        <td><a href="https://docs.rs/clap/%5E2">docs.rs/clap/~2</a></td>
+        <td><a href="https://docs.rs/clap/%7E2">docs.rs/clap/~2</a></td>
         <td>2.* version</td>
       </tr>
       <tr>
-        <td><a href="https://docs.rs/clap/%5E2.9">docs.rs/clap/~2.9</a></td>
+        <td><a href="https://docs.rs/clap/%7E2.9">docs.rs/clap/~2.9</a></td>
         <td>2.9.* version</td>
       </tr>
       <tr>