update Swift-driver dependency (#8324)

The swift-driver dependency was refering to the Apple organization. The
swift-driver repo is now in swiftlang

Author: bkhouri

Package.swift

@@ -1000,7 +1000,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
         // used by 'swift-driver' and 'sourcekit-lsp'. Please coordinate
         // dependency version changes here with those projects.
         .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "1.4.0")),
-        .package(url: "https://github.com/apple/swift-driver.git", branch: relatedDependenciesBranch),
+        .package(url: "https://github.com/swiftlang/swift-driver.git", branch: relatedDependenciesBranch),
         .package(url: "https://github.com/apple/swift-crypto.git", .upToNextMinor(from: "3.0.0")),
         .package(url: "https://github.com/swiftlang/swift-syntax.git", branch: relatedDependenciesBranch),
         .package(url: "https://github.com/apple/swift-system.git", from: "1.1.1"),