Update swift-process-invocation for Swift 6

Author: Frizlab

Package.resolved

@@ -24,7 +24,7 @@ let package = Package(
 		.package(url: "https://github.com/mxcl/Version.git",                           from: "2.0.0"),
 		.package(url: "https://github.com/xcode-actions/clt-logger.git",               from: "0.8.0"),
 		.package(url: "https://github.com/xcode-actions/stream-reader.git",            from: "3.5.2"),
-		.package(url: "https://github.com/xcode-actions/swift-process-invocation.git", from: "1.1.0-beta"),
+		.package(url: "https://github.com/xcode-actions/swift-process-invocation.git", from: "1.2.0"),
 	],
 	targets: [
 		.executableTarget(name: "swift-sh", dependencies: [