Update googletest submodule
Fixes the following warning, occurring during the linux-clang-test CI builds:
[824/832] Building CXX object test/googletest/googletest/CMakeFiles/gtest.dir/src/gtest-all.cc.o
In file included from /home/runner/work/vcmi/vcmi/test/googletest/googletest/src/gtest-all.cc:38:
In file included from /home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/gtest.h:65:
In file included from /home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/gtest-death-test.h:43:
In file included from /home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/internal/gtest-death-test-internal.h:47:
In file included from /home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/gtest-matchers.h:48:
/home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/gtest-printers.h:532:9: warning: implicit conversion from 'int32_t' (aka 'int') to 'float' may lose precision [-Wimplicit-int-float-conversion]
532 | if (static_cast<int32_t>(val * mulfor6 + 0.5) / mulfor6 == val) return 6;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~
/home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/gtest-printers.h:551:17: note: in instantiation of function template specialization 'testing::internal::AppropriateResolution<float>' requested here
551 | os->precision(AppropriateResolution(f));
| ^
/home/runner/work/vcmi/vcmi/test/googletest/googletest/include/gtest/gtest-printers.h:544:9: warning: implicit conversion from 'int32_t' (aka 'int') to 'float' may lose precision [-Wimplicit-int-float-conversion]
544 | if (static_cast<int32_t>(val / divfor6 + 0.5) * divfor6 == val) return 6;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~
2 warnings generated.
Alexander Wilms