Add heuristics for C and C++ #1589

Job	Run time
Check Languages File	4s
Build --no-default-features (1.80 macOS-latest)	37s
Build --no-default-features (stable macOS-latest)	24s
Build --no-default-features --features color (1.80 macOS-latest)	35s
Build --no-default-features --features color (stable macOS-latest)	23s
Build --no-default-features (1.80 ubuntu-latest)	28s
Build --no-default-features (stable ubuntu-latest)	22s
Build --no-default-features --features color (1.80 ubuntu-latest)	29s
Build --no-default-features --features color (stable ubuntu-latest)	26s
Build --no-default-features (1.80 windows-latest)	1m 20s
Build --no-default-features (stable windows-latest)	1m 51s
Build --no-default-features --features color (1.80 windows-latest)	1m 12s
Build --no-default-features --features color (stable windows-latest)	2m 16s
Lint	42s
Benchmarks	2m 38s
Coverage --no-default-features (ubuntu-latest)	2m 7s
Coverage --no-default-features --features color (ubuntu-latest)	2m 17s
	18m 11s

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