Update file(s) from wp-cli/.github

Author: schlessera

.travis.yml

@@ -1,8 +1,11 @@
-sudo: false
-dist: trusty
+os: linux
+dist: xenial
 
 language: php
-php: 7.2
+php: 7.4
+
+services:
+  - mysql
 
 notifications:
   email:
@@ -23,7 +26,6 @@ env:
     - WP_CLI_BIN_DIR="$TRAVIS_BUILD_DIR/vendor/bin"
 
 before_install:
-  - export XMLLINT_INDENT="	"
   - |
     # Remove Xdebug for a huge performance increase:
     if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
@@ -46,17 +48,12 @@ script:
 
 jobs:
   include:
-    - stage: sniff
-      addons:
-        apt:
-          packages:
-            - libxml2-utils
-      script:
-        - composer lint
-        - xmllint --noout --schema ./vendor/squizlabs/php_codesniffer/phpcs.xsd ./*/ruleset.xml
-        - composer phpcs
-        - diff -B --tabsize=4 ./WP_CLI_CS/ruleset.xml <(xmllint --format "./WP_CLI_CS/ruleset.xml")
-      env: BUILD=sniff
+    - stage: test
+      php: 7.4
+      env: WP_VERSION=latest
+    - stage: test
+      php: 7.3
+      env: WP_VERSION=latest
     - stage: test
       php: 7.2
       env: WP_VERSION=latest
@@ -72,10 +69,7 @@ jobs:
     - stage: test
       php: 5.6
       env: WP_VERSION=3.7.11
+      dist: trusty
     - stage: test
       php: 5.6
       env: WP_VERSION=trunk
-    - stage: test
-      php: 5.4
-      dist: precise
-      env: WP_VERSION=5.1