upgrade composer to 2.8.2 for 10.4.x #3479446

Closes #3479446

composer/Metapackage/DevDependencies/composer.json

@@ -10,7 +10,7 @@
         "behat/mink": "^1.11",
         "behat/mink-browserkit-driver": "^2.2",
         "colinodell/psr-testlogger": "^1.2",
-        "composer/composer": "^2.8.1",
+        "composer/composer": "^2.8.2",
         "drupal/coder": "^8.3.10",
         "justinrainbow/json-schema": "^5.2",
         "lullabot/mink-selenium2-driver": "^1.7",