Update NC Kit

Signed-off-by: Milen Pivchev <milen.pivchev@gmail.com>

Author: mpivchev

Nextcloud.xcodeproj/project.pbxproj

@@ -6081,7 +6081,7 @@
 			repositoryURL = "https://github.com/nextcloud/NextcloudKit";
 			requirement = {
 				kind = exactVersion;
-				version = 7.1.7;
+				version = 7.2.1;
 			};
 		};
 		F788ECC5263AAAF900ADC67F /* XCRemoteSwiftPackageReference "MarkdownKit" */ = {