Fix Psalm violations

Author: colinodell

src/Extension/Attributes/Util/AttributesHelper.php

@@ -72,6 +72,7 @@ public static function parseAttributes(Cursor $cursor): array
                 continue;
             }
 
+            /** @psalm-suppress PossiblyUndefinedArrayOffset */
             [$name, $value] = \explode('=', $attribute, 2);
 
             $first = $value[0];

src/Node/Query/AndExpr.php

@@ -31,7 +31,7 @@ final class AndExpr implements ExpressionInterface
      */
     public function __construct(callable ...$expressions)
     {
-        $this->conditions = $expressions;
+        $this->conditions = \array_values($expressions);
     }
 
     /**

src/Node/Query/OrExpr.php

@@ -31,7 +31,7 @@ final class OrExpr implements ExpressionInterface
      */
     public function __construct(callable ...$expressions)
     {
-        $this->conditions = $expressions;
+        $this->conditions = \array_values($expressions);
     }
 
     /**