Add mod builtin #8192

Job	Run time
Build release binary for comparisons	1m 42s
upload_proof_programs_symlinks	15s
Build the wasm demo	1m 52s
Build Cairo programs (cairo_bench_programs)	1m 6s
Build Cairo programs (cairo_proof_programs)	58s
Build Cairo programs (cairo_test_programs)	1m 0s
Build Cairo programs (cairo_1_test_contracts)	25s
Build Cairo programs (cairo_2_test_contracts)	26s
Merge Cairo programs cache	0s
Run Lints	0s
Compute memory and execution traces with cairo-lang	0s
Make sure all builds work	0s
Run tests	0s
Upload coverage results to codecov.io	0s
Compute memory and execution traces with cairo-vm	0s
Compare factorial outputs for all layouts	0s
Compare memory and execution traces from cairo-lang and cairo-vm	0s
	7m 44s

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