Merge pull request #33382 from nextcloud/backport/33378/stable24

[stable24] don't set `null` as a bundle path

Author: blizzz

lib/private/Files/ObjectStore/S3ObjectTrait.php

@@ -69,11 +69,14 @@ public function readObject($urn) {
 				'http' => [
 					'protocol_version' => $request->getProtocolVersion(),
 					'header' => $headers,
-				],
-				'ssl' => [
-					'cafile' => $this->getCertificateBundlePath()
 				]
 			];
+			$bundle = $this->getCertificateBundlePath();
+			if ($bundle) {
+				$opts['ssl'] = [
+					'cafile' => $bundle
+				];
+			}
 
 			if ($this->getProxy()) {
 				$opts['http']['proxy'] = $this->getProxy();