scripts/configure.fsx: put Frontend in cfg summary #2516

Job	Run time
macOS--mono	19m 51s
macOS--dotnet6-and-mono	8m 5s
windows--legacyFramework	15m 47s
windows--dotnet6	8m 46s
linux22-github--newmono	5m 0s
linux22-vanilla--stockdotnet6	6m 41s
linux22-vanilla--stockmono	6m 10s
linux22-github	4m 27s
linux20-github	5m 7s
linux22-vanilla--newmono	12m 0s
linux22-vanilla--stockdotnet6-and-newmono	6m 23s
linux22-vanilla--stockdotnet6-and-stockmono	6m 9s
linux20-github--newmono	5m 39s
linux20-vanilla--newmono	11m 29s
linux20-vanilla--stockmono	6m 24s
conventions	1m 11s
snap_pkg	0s
	2h 9m 9s

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