SQLiteCpp/Statement.h: add missing <cstdint> include

[trofi]

Without the change the build fails on gcc-15 as:

[  5%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Backup.cpp.o
In file included from /build/source/include/SQLiteCpp/Column.h:14,
                 from /build/source/include/SQLiteCpp/Database.h:14,
                 from /build/source/include/SQLiteCpp/Backup.h:15,
                 from /build/source/src/Backup.cpp:12:
/build/source/include/SQLiteCpp/Statement.h:132:39: error: 'uint32_t' does not name a type
  132 |     void bind(const int aIndex, const uint32_t      aValue);
      |                                       ^~~~~~~~
/build/source/include/SQLiteCpp/Statement.h:20:1: note: 'uint32_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
   19 | #include <memory>
  +++ |+#include <cstdint>
   20 |

[SRombauts]

Thanks a lot for taking the time to contribute these two fixes, much appreciated