[CI]: integration: Reference branches instead of hashes in ref in the RPM module #3790

Job	Run time
Hadolint	7s
Hadolint	7s
Hadolint	9s
Hadolint	9s
Linters (bandit)	30s
Linters (bandit)	30s
Linters (bandit)	33s
Linters (bandit)	33s
Build Cachi2 image and run integration tests on it	3m 20s
Build Cachi2 image and run integration tests on it	3m 20s
Build Cachi2 image and run integration tests on it	3m 18s
Build Cachi2 image and run integration tests on it	3m 12s
Linters (black)	32s
Linters (black)	32s
Linters (black)	30s
Linters (black)	30s
Unit tests (3.9)	46s
Unit tests (3.9)	46s
Unit tests (3.9)	52s
Unit tests (3.9)	52s
Linters (isort)	31s
Linters (isort)	31s
Linters (isort)	32s
Linters (isort)	32s
Unit tests (3.10)	41s
Unit tests (3.10)	41s
Unit tests (3.10)	47s
Unit tests (3.10)	47s
Linters (flake8)	32s
Linters (flake8)	32s
Linters (flake8)	34s
Linters (flake8)	34s
Unit tests (3.11)	42s
Unit tests (3.11)	42s
Unit tests (3.11)	48s
Unit tests (3.11)	48s
Linters (mypy)	51s
Linters (mypy)	51s
Linters (mypy)	57s
Linters (mypy)	57s
Unit tests (3.12)	56s
Unit tests (3.12)	56s
Unit tests (3.12)	54s
Unit tests (3.12)	54s
	38m 38s

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