PHP 7.4 was released; no longer use snapshot

tvdijen · web-flow · commit 14fafbc1493e · 2020-02-02T11:24:45.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -51,7 +51,7 @@ jobs:
 
     - stage: pre-conditions
       env: Syntax check PHP
-      php: 7.4snapshot
+      php: 7.4
       before_script:
         - composer install
       script:
