update travis

Author: Koldo Picaza

.scrutinizer.yml

@@ -2,9 +2,9 @@ dist: trusty
 language: php
 
 php:
-  - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/
@@ -17,12 +17,12 @@ cache:
 
 matrix:
   include:
-    - php: 7.1
+    - php: 7.2
       env: 'COMPOSER_FLAGS="--prefer-stable --prefer-lowest"'
 
 before_script:
   - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-dist
 
 script:
   - vendor/bin/phpcs --standard=psr2 src/
-  - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
+  - XDEBUG_MODE=coverage vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover

.travis.yml

@@ -22,7 +22,7 @@
     },
     "require-dev": {
         "phpunit/phpunit" : ">=7.0",
-        "squizlabs/php_codesniffer": "^3.0"
+        "squizlabs/php_codesniffer": "^3.5.8"
     },
     "autoload": {
         "psr-4": {