CI: don't test on EOL F39 and update rpmrepos to 20250115 #17740

Job	Run time
⌨ Golang Lint	4m 1s
🐍 Lint python scripts	33s
🗄 DB tests	2m 54s
🔍 Check for missing or unused runner repos	11s
🔍 Check for valid snapshot urls	18s
Gitlab CI trigger helper	2s
🎀 kube-linter	16s
📦 Packit config lint	43s
🔍 Check source preparation	1m 12s
📦 RPMlint	45s
🐚 Shellcheck	21s
🛃 Unit tests	4m 8s
🧹 cloud-cleaner-is-enabled	1s
	15m 25s

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