Target macOS 10.9 (#10802) (#10807)

Update toolchain to target macosx 10.9 to fix https://github.com/protocolbuffers/protobuf/issues/10799

Co-authored-by: deannagarcia <69992229+deannagarcia@users.noreply.github.com>

toolchain/BUILD.bazel

@@ -102,7 +102,7 @@ cc_toolchain_config(
     linker_path = "/usr/tools",
     sysroot = "/usr/tools/xcode_14_0/macosx",
     target_cpu = "aarch64",
-    target_full_name = "aarch64-apple-macosx11.3",
+    target_full_name = "aarch64-apple-macosx10.9",
 )
 
 cc_toolchain_config(
@@ -119,7 +119,7 @@ cc_toolchain_config(
     linker_path = "/usr/tools",
     sysroot = "/usr/tools/xcode_14_0/macosx",
     target_cpu = "x86_64",
-    target_full_name = "x86_64-apple-macosx11.3",
+    target_full_name = "x86_64-apple-macosx10.9",
 )
 
 cc_toolchain_config(