chore: phpstan fixes

Author: tpetry

phpstan-baseline.neon

@@ -0,0 +1,7 @@
+parameters:
+	ignoreErrors:
+		-
+			message: '#^PHPDoc tag @var with type Illuminate\\Contracts\\Database\\Query\\Builder is not subtype of native type \$this\(Tpetry\\LaravelMysqlExplain\\Mixins\\BuilderMixin\)\.$#'
+			identifier: varTag.nativeType
+			count: 6
+			path: src/Mixins/BuilderMixin.php

phpstan.neon.dist

@@ -1,5 +1,8 @@
+includes:
+    - phpstan-baseline.neon
+
 parameters:
-    level: max
+    level: 9
     paths:
         - src
     checkOctaneCompatibility: true

src/LaravelQuery.php

@@ -26,6 +26,7 @@ public function execute(string $sql, bool $useParams): array
         };
 
         // Laravel creates array<object> instead of array<arrays> as requested by interface.
+        /** @var array<int, array<string, mixed>> $rows */
         $rows = array_map(fn ($row) => (array) $row, $rows);
 
         return $rows;
@@ -34,7 +35,10 @@ public function execute(string $sql, bool $useParams): array
     public function getParameters(): array
     {
         // Transform special values like DateTimeInterface and bool to their string value.
-        return $this->connection->prepareBindings($this->parameters);
+        /** @var array<float|int|string> $parameters */
+        $parameters = $this->connection->prepareBindings($this->parameters);
+
+        return $parameters;
     }
 
     public function getSql(): string