Fix quickstart-cmake documentation

Signed-off-by: Alecto Irene Perez <perez.cs@pm.me>

docs/quickstart-cmake.md

@@ -58,7 +58,8 @@ set(CMAKE_CXX_STANDARD 11)
 include(FetchContent)
 FetchContent_Declare(
   googletest
-  URL https://github.com/google/googletest/archive/609281088cfefc76f9d0ce82e1ff6c30cc3591e5.zip
+  GIT_REPOSITORY https://github.com/google/googletest.git
+  GIT_TAG release-1.11.0
 )
 # For Windows: Prevent overriding the parent project's compiler/linker settings
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
@@ -108,7 +109,7 @@ add_executable(
 )
 target_link_libraries(
   hello_test
-  gtest_main
+  GTest::gtest_main
 )
 
 include(GoogleTest)