Update .scrutinizer.yml to use composer 2 (#1355)

* Update .scrutinizer.yml to include composer update

* Update composer version and remove composer self-update

* Enhance Scrutinizer config with Composer setup

* Update Scrutinizer configuration for composer install

* Revise Composer setup in .scrutinizer.yml

* Fix indentation in .scrutinizer.yml

Author: dfsmania

.scrutinizer.yml

@@ -2,6 +2,17 @@ build:
     environment:
         php: 7.3.0
 
+    dependencies:
+        before:
+            # Download and verify latest Composer installer
+            - php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+            - php -r "if (hash_file('sha384', 'composer-setup.php') === 'dac665fdc30fdd8ec78b38b9800061b4150413ff2e3b6f88543c636f7cd84f6db9189d43a81e5503cda447da73c7e5b6') { echo 'Installer verified'.PHP_EOL; } else { echo 'Installer corrupt'.PHP_EOL; unlink('composer-setup.php'); exit(1); }"
+            - php composer-setup.php --install-dir=$HOME/bin --filename=composer
+            - php -r "unlink('composer-setup.php');"
+            - $HOME/bin/composer --version
+        override:
+            - $HOME/bin/composer install --no-interaction --prefer-dist --optimize-autoloader
+
     nodes:
         analysis:
             tests: