PHPLIB-1563 and PHPLIB-1564: batchSize and singleBatch fixes for find operations

* PHPLIB-1564: Increase batchSize for find when it's equal to limit

* PHPLIB-1563: set singleBatch option for findOne

* Bump tests/specifications from `a32d445` to `11022ca`

Bumps [tests/specifications](https://github.com/mongodb/specifications) from `a32d445` to `11022ca`.
- [Release notes](https://github.com/mongodb/specifications/releases)
- [Commits](mongodb/specifications@a32d445...11022ca)

---
updated-dependencies:
- dependency-name: tests/specifications
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andreas Braun <[email protected]>

Author: dependabot[bot]

src/Operation/Find.php

@@ -30,6 +30,7 @@
 use MongoDB\Exception\UnsupportedException;
 use MongoDB\Model\CodecCursor;
 
+use function assert;
 use function is_array;
 use function is_bool;
 use function is_integer;
@@ -418,6 +419,16 @@ private function createQueryOptions(): array
             $options['modifiers'] = is_object($modifiers) ? document_to_array($modifiers) : $modifiers;
         }
 
+        // Ensure no cursor is left behind when limit == batchSize by increasing batchSize
+        if (isset($options['limit'], $options['batchSize']) && $options['limit'] === $options['batchSize']) {
+            assert(is_integer($options['batchSize']));
+            $options['batchSize']++;
+        }
+
+        if (isset($options['limit']) && $options['limit'] === 1) {
+            $options['singleBatch'] = true;
+        }
+
         return $options;
     }
 }