chore: fix stan errors

phpstan.neon

@@ -1,9 +1,9 @@
 parameters:
     level: max
-    checkMissingIterableValueType: false
     paths:
         - src
     ignoreErrors:
+        - identifier: missingType.iterableValue
         - '#^Access to an undefined property Illuminate\\Support\\Fluent.*$#'
         - '#^Call to an undefined method Illuminate\\Support\\Fluent.*$#'
         - '#^Access to an undefined property Colopl\\Spanner\\Schema\\IndexDefinition.*$#'

src/Connection.php

@@ -459,7 +459,7 @@ protected function escapeArray(array $value, bool $binary): string
     {
         if (array_is_list($value)) {
             $escaped = array_map(function (mixed $v) use ($binary): string {
-                return !is_array($v)
+                return is_scalar($v)
                     ? $this->escape($v, $binary)
                     : throw new LogicException('Nested arrays are not supported by Cloud Spanner');
             }, $value);

src/Eloquent/Model.php

@@ -17,6 +17,7 @@
 
 namespace Colopl\Spanner\Eloquent;
 
+use Illuminate\Contracts\Database\Eloquent\Builder as BuilderContract;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model as BaseModel;
 use Illuminate\Database\Eloquent\Relations\Relation;
@@ -44,7 +45,7 @@ class Model extends BaseModel
      * @param BaseModel|Relation $query
      * @param mixed $value
      * @param string|null $field
-     * @return Relation
+     * @return BuilderContract
      */
     public function resolveRouteBindingQuery($query, $value, $field = null)
     {

src/Schema/Grammar.php

@@ -253,10 +253,7 @@ public function compileDropSequenceIfExists(Blueprint $blueprint, object $comman
     protected function formatSequenceOptions(mixed $definition): string
     {
         $optionAsStrings = Arr::map($definition->getOptions(), function (mixed $v, string $k): string {
-            return Str::snake($k) . '=' . match (get_debug_type($v)) {
-                'string' => $this->quoteString($v),
-                default => $v,
-            };
+            return Str::snake($k) . '=' . (is_string($v) ? $this->quoteString($v) : $v);
         });
         return 'options (' . implode(', ', $optionAsStrings) . ')';
     }