minor #5031 CI: skip_cleanup: true (keradus)

This PR was merged into the 2.15 branch.

Discussion
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CI: skip_cleanup: true

fix BC of Travis CI itself
now, the deployment job is building phar file and cleaning it up, so there is nothing to deploy
(i had to manually release it)

Commits
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881f3d5 CI: skip_cleanup: true

Author: keradus

.travis.yml

@@ -151,7 +151,7 @@ jobs:
                 token:
                     secure: K9NKi7X1OPz898fxtVc1RfWrSI+4hTFFYOik932wTz1jC4dQJ64Khh1LV9frA1+JiDS3+R6TvmQtpzbkX3y4L75UrSnP1ADH5wfMYIVmydG3ZjTMo8SWQWHmRMh3ORAKTMMpjl4Q7EkRkLp6RncKe+FAFPP5mgv55mtIMaE4qUk=
                 file: php-cs-fixer.phar
-                cleanup: false
+                skip_cleanup: true
                 on:
                     repo: FriendsOfPHP/PHP-CS-Fixer
                     tags: true