message: Fix clap links
diff: <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>
  