scripts/configure.fsx: put Frontend in cfg summary #2515

Job	Run time
linux20-github	4m 53s
linux20-vanilla--stockmono	1m 46s
linux20-github--newmono	4m 45s
linux20-vanilla--newmono	12m 11s
linux22-github	4m 22s
linux22-vanilla--newmono	9m 22s
linux22-github--newmono	4m 37s
linux22-vanilla--stockdotnet6	5m 13s
linux22-vanilla--stockdotnet6-and-newmono	6m 39s
linux22-vanilla--stockdotnet6-and-stockmono	5m 37s
linux22-vanilla--stockmono	1m 0s
macOS--dotnet6-and-mono	10m 12s
macOS--mono	17m 0s
windows--dotnet6	7m 16s
windows--legacyFramework	12m 8s
conventions	0s
snap_pkg	0s
	1h 47m 1s

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