Update Travis CI to use PHP 8.0 instead of 8.0snapshot

tortuetorche · tortuetorche · commit f6dd6fdc95a9 · 2020-12-01T13:56:55.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,7 @@ php:
   - 7.2
   - 7.3
   - 7.4
-  - 8.0snapshot
+  - 8.0
 
 matrix:
   fast_finish: true
