test(Travis CI): Fix composer 2 global install location (#1100)

Author: klausi

.travis.yml

@@ -106,7 +106,7 @@ install:
 
   # Install PHPCS to check for Drupal coding standards.
   - travis_retry composer global require drupal/coder:8.3.10
-  - $HOME/.composer/vendor/bin/phpcs --config-set installed_paths $HOME/.composer/vendor/drupal/coder/coder_sniffer
+  - $HOME/.config/composer/vendor/bin/phpcs --config-set installed_paths $HOME/.config/composer/vendor/drupal/coder/coder_sniffer
 
 script:
   # Run the unit tests using phpdbg if the environment variable is 'true'.
@@ -115,7 +115,7 @@ script:
     fi
 
   # Check for coding standards violations.
-  - cd $DRUPAL_BUILD_DIR/modules/graphql && $HOME/.composer/vendor/bin/phpcs
+  - cd $DRUPAL_BUILD_DIR/modules/graphql && $HOME/.config/composer/vendor/bin/phpcs
 
   # Run the unit tests with standard php otherwise.
   - if [[ "$WITH_PHPDBG_COVERAGE" != "true" ]];