Update spdlog to newer version

This fixes some but not all warnings w. GCC

Author: mlund

Diff for: cmake/ExternalTools.cmake

@@ -5,7 +5,7 @@ include(FetchContent)
 # CPM Packages
 ###############
 
-CPMAddPackage("gh:gabime/spdlog@1.13.0")
+CPMAddPackage("gh:gabime/spdlog@1.14.1")
 CPMAddPackage("gh:ericniebler/range-v3#0.12.0")
 CPMAddPackage("gh:docopt/docopt.cpp#v0.6.3")
 CPMAddPackage("gh:doctest/doctest#v2.4.11")

Diff for: src/analysis.cpp

@@ -1646,7 +1646,8 @@ std::pair<Point, Point> InertiaTensor::compute() const {
 
 void InertiaTensor::_sample() {
     const auto [eigen_values, principle_axis] = compute();
-    *stream << fmt::format("{} {} {}\n", getNumberOfSteps(), eigen_values.transpose(), principle_axis.transpose());
+    *stream << fmt::format("{} {} {} {} {} {} {} \n", getNumberOfSteps(), eigen_values[0], eigen_values[1],
+                           eigen_values[2], principle_axis[0], principle_axis[1], principle_axis[2]);
 }
 
 InertiaTensor::InertiaTensor(const json& j, const Space& spc)

Diff for: src/voronota.cpp

@@ -65,7 +65,7 @@ void Voronota::_sample() {
 
     if (use_pbc) {
         auto to_point = [](const Point& p) -> SimplePoint { return {p.x(), p.y(), p.z()}; };
-        const auto corner = 0.5 * spc.geometry.getLength();
+        const Point corner = 0.5 * spc.geometry.getLength();
         const std::vector<SimplePoint> box_corners = {to_point(-corner), to_point(corner)};
         voronotalt::RadicalTessellation::construct_full_tessellation(spheres, box_corners, result);
     } else {