Cache: Increases database cache value size

Upped from text to medium text.
Aligns with modern Laravel default.
Fixes #4453 where were reaching the limit of TEXT.

database/migrations/2023_08_21_174248_increase_cache_size.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('cache', function (Blueprint $table) {
+            $table->mediumText('value')->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('cache', function (Blueprint $table) {
+            $table->text('value')->change();
+        });
+    }
+};