Merge branch 'PHP-8.5'

* PHP-8.5:
  [skip ci] Drop CI for 8.1

Author: iluuu1994

.github/nightly_matrix.php

@@ -6,7 +6,6 @@
     ['ref' => 'PHP-8.4', 'version' => [8, 4]],
     ['ref' => 'PHP-8.3', 'version' => [8, 3]],
     ['ref' => 'PHP-8.2', 'version' => [8, 2]],
-    ['ref' => 'PHP-8.1', 'version' => [8, 1]],
 ];
 
 function get_branch_commit_cache_file_path(): string {

.github/workflows/root.yml

@@ -58,9 +58,7 @@ jobs:
       windows_version: '2022'
       vs_crt_version: ${{ ((matrix.branch.version[0] == 8 && matrix.branch.version[1] >= 4) && 'vs17') || 'vs16' }}
       skip_laravel: ${{ matrix.branch.version[0] == 8 && matrix.branch.version[1] == 1 }}
-      symfony_version: ${{ (((matrix.branch.version[0] == 8 && matrix.branch.version[1] >= 4) || matrix.branch.version[0] >= 9) && '8.1')
-        || ((matrix.branch.version[0] == 8 && matrix.branch.version[1] >= 2) && '7.4')
-        || '' }}
+      symfony_version: ${{ (((matrix.branch.version[0] == 8 && matrix.branch.version[1] >= 4) || matrix.branch.version[0] >= 9) && '8.1') || '7.4' }}
       skip_wordpress: ${{ matrix.branch.version[0] == 8 && matrix.branch.version[1] == 1 }}
       variation_enable_zend_max_execution_timers: ${{ (matrix.branch.version[0] == 8 && matrix.branch.version[1] >= 3) || matrix.branch.version[0] >= 9 }}
     secrets: inherit