[DPE-4976] Run tests on juju 3.6 on a nightly schedule #2

Job	Run time
Lint / tox run -e lint	14s
Lint / Lint .github/workflows/	5s
Build charm / Collect bases for charm \| .	16s
Build charm / Build charm \| base #0	4m 34s
Build charm / Build charm \| base #1	4m 36s
Integration \| 3.6 \| arm64 / 3.6/beta \| arm64 \| Collect integration test groups	21s
Integration \| 3.6 \| amd64 / 3.6/beta \| amd64 \| Collect integration test groups	23s
Integration \| 3.6 \| arm64 / test_charm.py \| group 1	7m 59s
Integration \| 3.6 \| arm64 / test_exporter.py \| group 1	3m 16s
Integration \| 3.6 \| arm64 / test_exporter_with_tls.py \| group 1	3m 29s
Integration \| 3.6 \| arm64 / test_log_rotation.py \| group 1	5m 5s
Integration \| 3.6 \| arm64 / test_node_port.py \| group 1	7m 5s
Integration \| 3.6 \| arm64 / test_tls.py \| group 1	5m 31s
Integration \| 3.6 \| arm64 / test_upgrade.py \| group 1	13m 11s
Integration \| 3.6 \| amd64 / test_charm.py \| group 1	8m 37s
Integration \| 3.6 \| amd64 / test_exporter.py \| group 1	5m 59s
Integration \| 3.6 \| amd64 / test_exporter_with_tls.py \| group 1	7m 1s
Integration \| 3.6 \| amd64 / test_log_rotation.py \| group 1	5m 27s
Integration \| 3.6 \| amd64 / test_node_port.py \| group 1	7m 51s
Integration \| 3.6 \| amd64 / test_tls.py \| group 1	6m 9s
Integration \| 3.6 \| amd64 / test_upgrade.py \| group 1	13m 17s
Integration \| 3.6 \| amd64 / (beta) Publish Allure report	0s
Integration \| 3.6 \| arm64 / (beta) Publish Allure report	0s
	1h 50m 26s

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