feat: add u as alias for update command (#9246)

Backport of #9163 to `release/v11`.

Co-authored-by: Josua Michalak <michalak.josua@googlemail.com>

Author: github-actions[bot]

lib/utils/cmd-list.js

@@ -98,6 +98,7 @@ const aliases = {
   i: 'install',
   it: 'install-test',
   cit: 'install-ci-test',
+  u: 'update',
   up: 'update',
   c: 'config',
   s: 'search',

tap-snapshots/test/lib/docs.js.test.cjs

@@ -81,6 +81,7 @@ Object {
   "sit": "install-ci-test",
   "t": "test",
   "tst": "test",
+  "u": "update",
   "udpate": "update",
   "un": "uninstall",
   "unlink": "uninstall",
@@ -6071,14 +6072,14 @@ Options:
     When set file: protocol dependencies will be packed and installed as
 
 
-aliases: up, upgrade, udpate
+aliases: u, up, upgrade, udpate
 
 Run "npm help update" for more info
 
 \`\`\`bash
 npm update [<pkg>...]
 
-aliases: up, upgrade, udpate
+aliases: u, up, upgrade, udpate
 \`\`\`
 
 #### \`save\`