doc: unify import order in CCM example

Refs: #39043 PR-URL: #42394 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Mestery <mestery@protonmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>

Author: tniessen

doc/api/crypto.md

@@ -5652,12 +5652,12 @@ console.log(receivedPlaintext);
 ```
 
 ```cjs
+const { Buffer } = require('buffer');
 const {
  createCipheriv,
  createDecipheriv,
  randomBytes,
 } = require('crypto');
-const { Buffer } = require('buffer');
 
 const key = 'keykeykeykeykeykeykeykey';
 const nonce = randomBytes(12);