Update templates/version.hpp.in

Co-authored-by: Arne Mertz <arnemertz@users.noreply.github.com>

Author: StephanKa

templates/version.hpp.in

@@ -5,5 +5,5 @@ struct Version
     static constexpr uint32_t Major {@PROJECT_VERSION_MAJOR@};
     static constexpr uint32_t Minor {@PROJECT_VERSION_MINOR@};
     static constexpr uint32_t Patch {@PROJECT_VERSION_PATCH@};
-    static constexpr std::string_view GitHash = "@GIT_HASH@";
+    static constexpr std::string_view GitHash {"@GIT_HASH@"};
 };