CI: fix template injection in workflow_dispatch run: blocks #367

Job	Run time
Linux Serial (Debug + Shared)	3m 11s
macOS Serial (Release + Shared)	2m 57s
Linux Parallel (Debug + Shared)	3m 5s
Linux Serial (Release + Static)	2m 33s
Windows Serial (Release + Shared)	8m 27s
	20m 13s

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