Merge pull request #60 from TimWolla/pad-parameter-type

Add parameter type to `Base32::doEncode()`’s `$pad` parameter

src/Base32.php

@@ -456,7 +456,7 @@ protected static function doEncode(
         #[\SensitiveParameter]
         string $src,
         bool $upper = false,
-        $pad = true
+        bool $pad = true
     ): string {
         // We do this to reduce code duplication:
         $method = $upper