[DPE-5369] rs int tests for upgrades #2360

Job	Run time
Check libraries	25s
Unit test charm	1m 8s
Lint / Lint .github/workflows/	3s
Lint / tox run -e lint	17s
Build charm \| tests/integration/ha_tests/application_charm / Collect bases for charm \| tests/integration/ha_tests/application_charm	19s
Build charm \| tests/integration/relation_tests/application-charm / Collect bases for charm \| tests/integration/relation_tests/application-charm	16s
Build charm \| . / Collect bases for charm \| .	18s
Build charm \| tests/integration/relation_tests/application-charm / Build charm \| base #0	2m 41s
Build charm \| . / Build charm \| base #0	10m 1s
Build charm \| tests/integration/ha_tests/application_charm / Build charm \| base #0	3m 10s
Integration test charm \| 3.5.3	0s
	18m 38s

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