Missing cstdint header to use uint32_t with gcc-13

[j-rivero]

🦟 Bug fix

Summary

Build fails in Debian Sid with gcc-13:

In file included from /home/jrivero/code/debian/ignition-common/profiler/src/RemoteryProfilerImpl.hh:26,
                 from /home/jrivero/code/debian/ignition-common/profiler/src/RemoteryProfilerImpl.cc:20:
/home/jrivero/code/debian/ignition-common/profiler/src/ProfilerImpl.hh:56:59: error: ‘uint32_t’ has not been declared
   56 |       public: virtual void BeginSample(const char *_name, uint32_t *_hash) = 0;
      |                                                           ^~~~~~~~
/home/jrivero/code/debian/ignition-common/profiler/src/RemoteryProfilerImpl.hh:74:51: error: ‘uint32_t’ has not been declared
   74 |       public: void BeginSample(const char *_name, uint32_t *_hash) final;
      |                                                   ^~~~~~~~
/home/jrivero/code/debian/ignition-common/profiler/src/RemoteryProfilerImpl.cc:226:6: error: no declaration matches ‘void ignition::common::RemoteryProfilerImpl::BeginSample(const char*, uint32_t*)’
  226 | void RemoteryProfilerImpl::BeginSample(const char *_name, uint32_t *_hash)
      |      ^~~~~~~~~~~~~~~~~~~~
/home/jrivero/code/debian/ignition-common/profiler/src/RemoteryProfilerImpl.hh:74:20: note: candidate is: ‘virtual void ignition::common::RemoteryProfilerImpl::BeginSample(const char*, int*)’
   74 |       public: void BeginSample(const char *_name, uint32_t *_hash) final;
      |                    ^~~~~~~~~~~
/home/jrivero/code/debian/ignition-common/profiler/src/RemoteryProfilerImpl.hh:47:11: note: ‘class ignition::common::RemoteryProfilerImpl’ defined here
   47 |     class RemoteryProfilerImpl: public ProfilerImpl
      |           ^~~~~~~~~~~~~~~~~~~~
make[3]: *** [profiler/src/CMakeFiles/ignition-common4-profiler.dir/build.make:107: profiler/src/CMakeFiles/ignition-common4-profiler.dir/RemoteryProfilerImpl.cc.o] Error 1
make[3]: Leaving directory '/home/jrivero/code/debian/ignition-common/obj-x86_64-linux-gnu'
make[2]: *** [CMakeFiles/Makefile2:3257: profiler/src/CMakeFiles/ignition-common4-profiler.dir/all] Error 2
make[2]: Leaving directory '/home/jrivero/code/debian/ignition-common/obj-x86_64-linux-gnu'

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

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[j-rivero]

One warning in brew unrelated to this commit, as far as I can say. Merging.