Election for Christophe Guillon as Committer on Eclipse Aidge

@cguillon has made an impact on the project.

He:
- Improved the build process of aidge with various MR (https://gitlab.eclipse.org/eclipse/aidge/aidge_backend_cpu/-/merge_requ…, https://gitlab.eclipse.org/eclipse/aidge/aidge_core/-/merge_requests/154, https://gitlab.eclipse.org/eclipse/aidge/aidge_export_cpp/-/merge_reque…, https://gitlab.eclipse.org/eclipse/aidge/aidge_core/-/merge_requests/187)
- Added implementation of MatMul operator for export CPP https://gitlab.eclipse.org/eclipse/aidge/aidge_export_cpp/-/merge_reque…
- Fixed bug in Cpp export: https://gitlab.eclipse.org/eclipse/aidge/aidge_export_cpp/-/merge_reque…
- Vastly improved tensor binding https://gitlab.eclipse.org/eclipse/aidge/aidge_core/-/merge_requests/172
- Improved ONNX module unit test and stability https://gitlab.eclipse.org/eclipse/aidge/aidge_onnx/-/merge_requests/83
- Has been a very active member of the Aidge community participating in various discsussion

It is my pleasure to nominate @cguillon as a committer on Eclipse Aidge.