build: add poetry-plugin-export to the dependencies #584

Job	Run time
build-container-image	9s
Build dev-env (ubuntu-20.04)	3m 30s
Build dev-env (ubuntu-22.04)	3m 15s
Build dev-env (ubuntu-24.04)	3m 1s
Build dev-env (ubuntu-24.10)	3m 11s
Build dev-env (debian-bullseye)	3m 20s
Build dev-env (debian-bookworm)	3m 11s
Build dev-env (debian-trixie)	2m 52s
Build dev-env (fedora-40)	3m 5s
Build dev-env (fedora-41)	3m 9s
	28m 43s

Provide feedback