Pin minio charm in itests to "ckf-1.9/stable" track (#85) #38

Job	Run time
release / Quality Checks / Check the CHARMHUB_TOKEN secret	1s
release / Quality Checks / Static Analysis / Static Analysis of Charm	18s
release / Quality Checks / Scenario Tests / Scenario tests	16s
release / Quality Checks / Inclusive naming / check	6s
release / Quality Checks / Linting / Lint	9s
release / Quality Checks / Unit Tests / Unit tests	21s
release / Quality Checks / Static Analysis / Static Analysis of Libs	16s
release / Quality Checks / Check libraries	31s
release / Quality Checks / Integration Tests / Integration Tests	42m 37s
release / Quality Checks / CodeQL analysis / Analyze (python)	1m 15s
release / Release any bumped charm library	1m 44s
release / Release Charm and Libraries / Build the charms	6m 27s
release / Release Charm and Libraries / Build the charms for ARM	0s
release / Release Charm and Libraries / Release arm64 to CharmHub	0s
release / Release Charm and Libraries / Release to CharmHub (mimir-coordinator-k8s_ubuntu-22.04-amd64.charm)	1m 3s
release / Release Charm and Libraries / Charm List	0s
	55m 4s

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