Fix phpcs

Hi
I have fixed the phpcs issues in above module, please check the attached MR.
Thanks

Hi chetan 11,

"The issue summary should always describe what the issue is trying to fix and, in the case, of coding standards issues, show which command has been used, which arguments have been used, and which report that command shown."- Comment #3 📌 Fix the issues reported by phpcs Fixed

Please add more information regarding the issue

use this command to find the issues, where listed for phpcs.
./vendor/bin/phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml,twig,js

Hi chetan,

I applied your MR !7 and I confirmed that it fixes all the PHPCS issues, however, I will remain the status to needs review so that other user can also share their feedback regarding your MR.

➜  clipboardjs git:(2.0.x) curl https://git.drupalcode.org/project/clipboardjs/-/merge_requests/7.diff | patch -p1
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  5169    0  5169    0     0   9428      0 --:--:-- --:--:-- --:--:--  9572
patching file README.md
patching file clipboardjs.module
patching file 'src/Commands/ClipboardJsCommands.php'
➜  clipboardjs git:(2.0.x) ✗ ..
➜  contrib git:(master) ✗ phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml clipboardjs 
➜  contrib git:(master) ✗ 

Hello, I checked out to the branch and ran the phpcs command, found no errors or warnings remaining. RTBC +1.