Revert "Update package dependencies to release/6.2 (#1488)"

This reverts commit 24b307f. This change is a 6.2-only change and is being reverted from main while merging forward.

Author: jmschonfeld

CMakeLists.txt

@@ -75,7 +75,7 @@ else()
     message(STATUS "_SwiftFoundationICU_SourceDIR not provided, checking out local copy of swift-foundation-icu")
     FetchContent_Declare(SwiftFoundationICU
         GIT_REPOSITORY https://github.com/apple/swift-foundation-icu.git
-        GIT_TAG release/6.2)
+        GIT_TAG main)
 endif()
 
 if (_SwiftCollections_SourceDIR)

Package.swift

@@ -60,10 +60,10 @@ var dependencies: [Package.Dependency] {
                 from: "1.1.0"),
             .package(
                 url: "https://github.com/apple/swift-foundation-icu",
-                branch: "release/6.2"),
+                branch: "main"),
             .package(
                 url: "https://github.com/swiftlang/swift-syntax",
-                branch: "release/6.2")
+                branch: "main")
         ]
     }
 }

Sources/FoundationMacros/CMakeLists.txt

@@ -43,7 +43,7 @@ if(NOT SwiftSyntax_FOUND)
     # If building at desk, check out and link against the SwiftSyntax repo's targets
     FetchContent_Declare(SwiftSyntax
         GIT_REPOSITORY https://github.com/swiftlang/swift-syntax.git
-        GIT_TAG release/6.2)
+        GIT_TAG main)
     FetchContent_MakeAvailable(SwiftSyntax)
 else()
   message(STATUS "SwiftSyntax_DIR provided, using swift-syntax from ${SwiftSyntax_DIR}")