Dockerfile: bump ubi9/ubi from `b00d599` to `ee0b908` #3668

Job	Run time
Hadolint	7s
Linters (bandit)	37s
Build Cachi2 image and run integration tests on it	2m 42s
Linters (black)	35s
Linters (isort)	31s
Unit tests (3.9)	56s
Linters (flake8)	32s
Unit tests (3.10)	50s
Linters (mypy)	48s
Unit tests (3.11)	50s
Unit tests (3.12)	1m 3s
	9m 31s

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