Fix clangd warnings

FacadeTest.cpp

@@ -3,11 +3,11 @@
 #include "VersionedMap.h"
 #include <inttypes.h>
 
-inline weaselab::VersionedMap::Key operator"" _k(const char *str, size_t size) {
+inline weaselab::VersionedMap::Key operator""_k(const char *str, size_t size) {
   return {reinterpret_cast<const uint8_t *>(str), int(size)};
 }
 
-inline String operator"" _s(const char *str, size_t size) {
+inline String operator""_s(const char *str, size_t size) {
   return String{reinterpret_cast<const uint8_t *>(str), size};
 }
 
@@ -92,4 +92,4 @@ int main() {
       printMutation(*iter);
     }
   }
-}
+}