Merge pull request #2492 from DataDog/yehor-popovych/test-visibility-2.6.1-beta.1

[chore] updated dd-sdk-swift-testing version to 2.6.1-beta.1

Co-authored-by: ypopovych <yehor.popovych@datadoghq.com>

Author: dd-mergequeue[bot]

Datadog/Datadog.xcodeproj/project.pbxproj

@@ -13831,7 +13831,7 @@
 			repositoryURL = "https://github.com/DataDog/dd-sdk-swift-testing.git";
 			requirement = {
 				kind = exactVersion;
-				version = "2.6.0-beta2";
+				version = "2.6.1-beta.1";
 			};
 		};
 /* End XCRemoteSwiftPackageReference section */