[projmgr] Set `rebuild` flag in `cbuild-idx.yml` #1718

Job	Run time
coverage	3m 58s
setup / config	1s
matrix_prep / matrix_prep	2s
build-swig (macos-12, darwin, amd64, csolution, publicRepo, true, true)	3m 2s
unittest (macos-12, darwin, amd64, csolution, publicRepo, true, true)	4m 26s
build (macos-12, darwin, amd64, csolution, publicRepo, true, true)	2m 19s
build-swig (macos-12, darwin, arm64, csolution, publicRepo, false, false)	8s
unittest (macos-12, darwin, arm64, csolution, publicRepo, false, false)	2m 9s
build (macos-12, darwin, arm64, csolution, publicRepo, false, false)	3m 12s
build-swig (ubuntu-22.04, linux, amd64, csolution, always, true, true)	2m 50s
unittest (ubuntu-22.04, linux, amd64, csolution, always, true, true)	3m 2s
build (ubuntu-22.04, linux, amd64, csolution, always, true, true)	1m 37s
build-swig (ubuntu-22.04, linux, arm64, csolution, always, false, false)	5s
unittest (ubuntu-22.04, linux, arm64, csolution, always, false, false)	2m 10s
build (ubuntu-22.04, linux, arm64, csolution, always, false, false)	2m 8s
build-swig (windows-2019, windows, amd64, csolution.exe, always, true, false)	5m 18s
unittest (windows-2019, windows, amd64, csolution.exe, always, true, false)	9m 41s
build-swig (windows-2019, windows, arm64, csolution.exe, always, false, false)	3s
unittest (windows-2019, windows, arm64, csolution.exe, always, false, false)	4m 47s
build (windows-2019, windows, amd64, csolution.exe, always, true, false)	3m 30s
build (windows-2019, windows, arm64, csolution.exe, always, false, false)	3m 47s
Publish Tests Results	2s
release	0s
	58m 17s

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