fix(dependency-injection): reset env vars with kernel.reset

- fixes #59128

Author: faizanakram99

Container.php

@@ -290,6 +290,14 @@ public function reset(): void
         $this->envCache = $this->services = $this->factories = $this->privates = [];
     }
 
+    /**
+     * @internal
+     */
+    public function resetEnvCache(): void
+    {
+        $this->envCache = [];
+    }
+
     /**
      * Gets all service ids.
      *

EnvVarProcessor.php

@@ -374,5 +374,9 @@ public function reset(): void
     {
         $this->loadedVars = [];
         $this->loaders = $this->originalLoaders;
+
+        if ($this->container instanceof Container) {
+            $this->container->resetEnvCache();
+        }
     }
 }