Clean up temp files from model containers #858

Job	Run time
run-pytest	2m 12s
run-pytest	2m 12s
test-colab-notebook	1m 45s
test-colab-notebook	1m 45s
test-docker (3.8)	1m 6s
test-docker (3.8)	1m 6s
test-docker (3.9)	58s
test-docker (3.9)	58s
install-ersilia (3.8)	29s
install-ersilia (3.8)	29s
test-docker (3.10)	1m 11s
test-docker (3.10)	1m 11s
test-os (ubuntu-22.04)	52s
test-os (ubuntu-22.04)	52s
install-ersilia (3.9)	27s
install-ersilia (3.9)	27s
update-model-request_template	4s
update-model-request_template	4s
test-docker (3.11)	1m 4s
test-docker (3.11)	1m 4s
install-ersilia (3.10)	25s
install-ersilia (3.10)	25s
test-os (macos-latest)	1m 21s
test-os (macos-latest)	1m 21s
test-docker (3.12)	1m 6s
test-docker (3.12)	1m 6s
install-ersilia (3.11)	25s
install-ersilia (3.11)	25s
install-ersilia (3.12)	25s
install-ersilia (3.12)	25s
run-cli-test-multiple	6m 58s
run-cli-test-multiple	6m 58s
run-cli-test-single (setup)	1m 16s
run-cli-test-single (setup)	1m 16s
run-cli-test-single (test_from_github)	3m 16s
run-cli-test-single (test_from_github)	3m 23s
run-cli-test-single (test_from_dockerhub)	2m 54s
run-cli-test-single (test_from_dockerhub)	2m 54s
run-cli-test-single (test_auto_fetcher_decider)	3m 19s
run-cli-test-single (test_auto_fetcher_decider)	3m 19s
run-cli-test-single (test_conventional_run)	2m 51s
run-cli-test-single (test_conventional_run)	2m 51s
	1h 8m 55s

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