[ci] Run the CI daily on main branch #1133

Job	Run time
riscv-isa-sim	8s
check-opcodes	6s
tc-gcc	1m 36s
tc-llvm	3m 3s
verilator	16s
verilator-model (minpool)	9s
verilator-model (mempool)	13s
check-bootrom	16s
unit-test	2m 22s
build-apps-gcc (minpool)	1m 19s
build-apps-omp (minpool)	33s
build-apps-gcc (mempool)	52s
build-apps-omp (mempool)	41s
tc-halide	14s
build-apps-llvm (minpool)	1m 25s
build-apps-llvm (mempool)	1m 36s
run-apps-gcc (minpool)	32s
run-apps-gcc (mempool)	4m 40s
build-apps-halide (minpool)	1m 5s
build-apps-halide (mempool)	57s
run-apps-halide (minpool)	29s
run-apps-halide (mempool)	3m 24s
run-apps-llvm (minpool)	24s
run-apps-llvm (mempool)	2m 19s
clean-up	4s
clean-up-compile-runs (minpool)	5s
clean-up-compile-runs (mempool)	2s
	28m 50s

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