House cleaning.

.gitattributes

@@ -1,9 +1,8 @@
 # Ignore all test and documentation with “export-ignore”.
 .gitattributes export-ignore
 .gitignore export-ignore
-.idea export-ignore
 .php_cs export-ignore
-.travis.yml export-ignore
+.github export-ignore
 README.md export-ignore
 phpunit.xml export-ignore
 phpstan.neon export-ignore

.github/workflows/main.yaml

@@ -56,14 +56,14 @@ jobs:
           env:
             CODECOV_TOKEN: 'de38eee4-bbc9-43bc-811c-c96a7d6ec3b6'
 
-  ecs:
+  php-cs-fixer:
     runs-on: ubuntu-latest
     steps:
       -   uses: actions/checkout@v2
       # see https://github.com/shivammathur/setup-php
       -   uses: shivammathur/setup-php@v1
           with:
-            php-version: 7.3
+            php-version: 7.4
             coverage: none
       -   run: composer install --no-progress
       -   run: composer php-cs-fixer-dry-run
@@ -74,7 +74,7 @@ jobs:
       -   uses: actions/checkout@v2
       -   uses: shivammathur/setup-php@v1
           with:
-            php-version: 7.3
+            php-version: 7.4
             coverage: none
       -   run: composer install --no-progress
       -   run: composer phpstan

.gitignore

@@ -1,9 +1,6 @@
-**/.idea/workspace.xml
-**/.idea/tasks.xml
-**/.idea/*.iws
-**/.idea/dataSources.local.xml
-**/.idea/dictionaries
 /vendor/
 /.php_cs.cache
+/.phpunit.result.cache
 /tests-report-html/
+/composer.lock
 /coverage.xml