Change settings table value data type from text to json

Author: solomon-ochepa

src/migrations/2014_10_00_000000_create_settings_table.php

@@ -14,7 +14,7 @@ public function up(): void
         Schema::create('settings', function (Blueprint $table) {
             $table->id();
             $table->string('name');
-            $table->text('value')->nullable();
+            $table->json('value');
             $table->string('group')->default('default');
             $table->nullableUuidMorphs('settable');
             $table->timestamps();