[K/N] Update konan.properties to use Kotlin fork of Apple LLVM 11.1.0

This commit updates the LLVM dependency specified in konan.properties
on macOS from Apple LLVM 11.1.0 to Kotlin fork of it.
The fork adds only the fix for KT-70566 and patches necessary because of
the rebuild with modern toolchain (KT-61299).

^KT-70566 Fixed
diff --git a/kotlin-native/konan/konan.properties b/kotlin-native/konan/konan.properties
index b24dba8..76f1733 100644
--- a/kotlin-native/konan/konan.properties
+++ b/kotlin-native/konan/konan.properties
@@ -35,15 +35,20 @@
 reducedLlvmAppendix = compact
 
 predefinedLlvmDistributions = \
-  apple-llvm-20200714-macos-x64-1 \
-  apple-llvm-20200714-macos-aarch64-1 \
+  llvm-11.1.0-x86_64-macos-dev-47 \
+  llvm-11.1.0-aarch64-macos-dev-60 \
   llvm-11.1.0-linux-x64-2 \
   llvm-11.1.0-windows-x64-2 \
-  apple-llvm-20200714-macos-x64-essentials \
-  apple-llvm-20200714-macos-aarch64-essentials \
+  llvm-11.1.0-x86_64-macos-essentials-47 \
+  llvm-11.1.0-aarch64-macos-essentials-60 \
   llvm-11.1.0-linux-x64-essentials \
   llvm-11.1.0-windows-x64-essentials
 
+llvm-11.1.0-x86_64-macos-dev-47.default = remote:public:resources/llvm/11.1.0-x86_64-macos
+llvm-11.1.0-aarch64-macos-dev-60.default = remote:public:resources/llvm/11.1.0-aarch64-macos
+llvm-11.1.0-x86_64-macos-essentials-47.default = remote:public:resources/llvm/11.1.0-x86_64-macos
+llvm-11.1.0-aarch64-macos-essentials-60.default = remote:public:resources/llvm/11.1.0-aarch64-macos
+
 predefinedLibffiVersions = \
   libffi-3.2.1-3-darwin-macos \
   libffi-3.3-1-macos-arm64 \
@@ -56,11 +61,11 @@
 llvm.mingw_x64.dev = llvm-11.1.0-windows-x64-2
 llvm.mingw_x64.user = llvm-11.1.0-windows-x64-essentials
 
-llvm.macos_x64.dev = apple-llvm-20200714-macos-x64-1
-llvm.macos_x64.user = apple-llvm-20200714-macos-x64-essentials
+llvm.macos_x64.dev = llvm-11.1.0-x86_64-macos-dev-47
+llvm.macos_x64.user = llvm-11.1.0-x86_64-macos-essentials-47
 
-llvm.macos_arm64.dev = apple-llvm-20200714-macos-aarch64-1
-llvm.macos_arm64.user = apple-llvm-20200714-macos-aarch64-essentials
+llvm.macos_arm64.dev = llvm-11.1.0-aarch64-macos-dev-60
+llvm.macos_arm64.user = llvm-11.1.0-aarch64-macos-essentials-60
 
 # By default LLVM uses 250 for -03 builds.
 # We use a smaller value since default value leads to