Upgrade formatting to clang-format 10 (#5895)

* Update formatting tools to clang-format-10

* Reformat using clang-format-10.0.09

unit_tests/library/limits.cpp

@@ -18,7 +18,7 @@ osrm::util::Coordinate getZeroCoordinate()
 {
     return {osrm::util::FloatLongitude{0}, osrm::util::FloatLatitude{0}};
 }
-}
+} // namespace
 
 BOOST_AUTO_TEST_SUITE(limits)