fix: remove trailing dashes for multidoc yaml #1683

Job	Run time
Load versions.env	7s
Run gosec (1.21.1, ubuntu-latest, 2.15.0)	2m 31s
Run linters (1.21.1, ubuntu-latest, 1.52.2)	3m 52s
Build Container	1m 53s
Build (1.21.1, macos-latest, 1.8.1)	4m 10s
Build (1.21.1, windows-latest, 1.8.1)	6m 31s
Build (1.21.1, ubuntu-latest, 1.8.1)	2m 57s
Integration (controller.yaml) (1.24.15)	5m 49s
Integration (Helm Chart) (1.24.15)	5m 1s
Integration (controller.yaml) (1.25.11)	6m 7s
Integration (Helm Chart) (1.25.11)	6m 43s
Integration (controller.yaml) (1.26.6)	5m 37s
Integration (Helm Chart) (1.26.6)	5m 23s
Integration (controller.yaml) (1.27.3)	6m 38s
Integration (Helm Chart) (1.27.3)	5m 52s
	1h 9m 11s

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