Update model phpdoc [skip ci]

app/Models/WebhookAttempt.php

@@ -0,0 +1,41 @@
+<?php
+/*
+ * WebhookAttempt.php
+ * Copyright (c) 2020 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace FireflyIII\Models;
+
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * Class WebhookAttempt
+ */
+class WebhookAttempt extends Model
+{
+    /**
+     * @codeCoverageIgnore
+     * @return BelongsTo
+     */
+    public function webhookMessage(): BelongsTo
+    {
+        return $this->belongsTo(WebhookMessage::class);
+    }
+}