CI - show phpunit version from custom binary, fix version on php7.4

https://github.com/EdgedesignCZ/phpqa/runs/1844108206?check_suite_focus=true#step:6:40
`phpqa tools` shows phpunit 9.5.2 (loaded from composer.lock)
No version is displayed in html artifact for php7.4. But it works for php8.0.
- php8 - https://github.com/EdgedesignCZ/phpqa/runs/1844183851?check_suite_focus=true#step:6:27
- php7.4 - https://github.com/EdgedesignCZ/phpqa/runs/1844183845?check_suite_focus=true#step:6:27
   sh: 1: exec: "/home/runner/work/phpqa/phpqa/vendor/phpunit/phpunit/phpunit" --version: not found

Related to 148151c:
- PHP8 warning: Passing a command as string when creating a "Symfony\Component\Process\Process" instance is deprecated since Symfony 4.2, pass it as an array of its arguments instead, or use the "Process::fromShellCommandline()" constructor if you need features provided by the shell.
- https://github.com/symfony/process/blob/5.x/CHANGELOG.md#500

.github/workflows/php.yml

@@ -64,7 +64,7 @@ jobs:
     - name: Show versions
       run: |
         composer outdated --direct --all
-        ./phpqa tools
+        ./phpqa tools --config tests/.ci 
 
     - name: Run tests
       run: |

appveyor.yml

@@ -47,7 +47,7 @@ install:
 
 test_script:
     - cd C:\projects\phpqa
-    - php phpqa tools
+    - php phpqa tools --config tests/.appveyor
     - php phpqa --verbose --report --config tests/.appveyor
     - dir build
 

src/Tools/GetVersions.php

@@ -140,8 +140,8 @@ private function loadVersionFromConsoleCommand($command)
 
     private function createSymfonyProcess($command)
     {
-        if (!method_exists('Symfony\Component\Process\Process', 'setCommandLine')) {
-            return new Process([$command]);
+        if (method_exists('Symfony\Component\Process\Process', 'fromShellCommandline')) {
+            return Process::fromShellCommandline($command);
         } else {
             return new Process($command);
         }