Use googletest's new 'main' branch (dotnet#38409)

dougbu · web-flow · commit 939fa3891ba5 · 2021-11-16T00:33:22.000Z
diff --git a/.gitmodules b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "src/submodules/googletest"]
 	path = src/submodules/googletest
 	url = https://github.com/google/googletest
-	branch = master
+	branch = main
 [submodule "src/submodules/MessagePack-CSharp"]
 	path = src/submodules/MessagePack-CSharp
 	url = https://github.com/aspnet/MessagePack-CSharp.git
diff --git a/src/submodules/googletest b/src/submodules/googletest
@@ -1 +1 @@
-Subproject commit 1b18723e874b256c1e39378c6774a90701d70f7a
+Subproject commit 4848324c5ff3186a7f72a674f6760d0b8da585d7
