CI - Build Starters Matrix - main #235

Job	Run time
Test site on minimum supported Hugo	21s
academic-cv on latest Hugo (allowed to fail)	21s
build-templates (dev-portfolio, templates/dev-portfolio)	28s
Test site on latest Hugo (allowed to fail)	20s
build-templates (startup-landing-page, templates/startup-landing-page)	24s
build-templates (academic-cv, templates/academic-cv)	33s
	2m 27s

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