Update googletest version and include gmock

Summary: D109363776 took a dependency on gmock - updates our build file to include gmock. Also we're using 1.17 internally so we may as well update from the ancient version we have.

Reviewed By: yoney

Differential Revision: D110920840

fbshipit-source-id: a60852cde6ca7364a36b7675a66dac7a8c450db8

Author: DinoV

CMakeLists.txt

@@ -482,7 +482,7 @@ if (BUILD_RUNTIME_TESTS)
   FetchContent_Declare(
     googletest
     GIT_REPOSITORY https://github.com/google/googletest
-    GIT_TAG v1.15.2 # 2024-Jul-31
+    GIT_TAG v1.17.0 # 2025-Apr-30
   )
   FetchContent_MakeAvailable(googletest)
 
@@ -510,6 +510,7 @@ if (BUILD_RUNTIME_TESTS)
     cinderx-lib
     asmjit::asmjit fmt::fmt
     GTest::gtest
+    GTest::gmock
     Python::Python
   )