Merge branch 'release/5.5' into bump-argparser-5.5

Author: benlangmuir

Package.swift

@@ -235,9 +235,9 @@ import Foundation
 if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
   // Building standalone.
   package.dependencies += [
-    .package(name: "IndexStoreDB", url: "https://github.com/apple/indexstore-db.git", .branch("main")),
-    .package(name: "SwiftPM", url: "https://github.com/apple/swift-package-manager.git", .branch("main")),
-    .package(url: "https://github.com/apple/swift-tools-support-core.git", .branch("main")),
+    .package(name: "IndexStoreDB", url: "https://github.com/apple/indexstore-db.git", .branch("release/5.5")),
+    .package(name: "SwiftPM", url: "https://github.com/apple/swift-package-manager.git", .branch("release/5.5")),
+    .package(url: "https://github.com/apple/swift-tools-support-core.git", .branch("release/5.5")),
     .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "0.4.1")),
   ]
 } else {