Mask GoogleTest and GoogleBenchmark on `vendorpull` (#1460) #5538

Job	Run time
test (macos-latest, clang, clang++, static, sh, macos/llvm)	3m 13s
test (macos-latest, clang, clang++, shared, sh)	3m 3s
test (macos-latest, gcc-13, g++-13, static, sh)	5m 8s
test (ubuntu-latest, clang, clang++, static, sh, linux/llvm)	4m 38s
test (ubuntu-latest, gcc, g++, static, sh, linux/gcc)	4m 35s
test (ubuntu-latest, clang, clang++, shared, sh)	4m 13s
test (ubuntu-latest, gcc, g++, shared, sh)	3m 58s
test (windows-latest, static, pwsh, windows/msvc)	8m 5s
test (windows-latest, shared, pwsh)	7m 23s
test (ubuntu-latest, clang, clang++, static, sh, -DJSONTOOLKIT_ADDRESS_SANITIZER:BOOL=ON)	4m 46s
test (ubuntu-latest, clang, clang++, static, sh, -DJSONTOOLKIT_UNDEFINED_SANITIZER:BOOL=ON)	4m 49s
	53m 51s

Provide feedback