chore(workflow): cache CoupledL2 build #106

Job	Run time
Pre-Build \| L2-L3 \| OOTB CoupledL2	2m 48s
Pre-Build \| L2-L3-L2 \| OOTB CoupledL2	3m 8s
Verilator \| ubuntu-20.04 \| clang-16	3s
Verilator \| ubuntu-22.04 \| clang-16	5s
Verilator \| ubuntu-22.04 \| gcc	5s
Build \| L2-L3 \| ubuntu-20.04 \| clang-16	1m 54s
Build \| L2-L3-L2 \| ubuntu-20.04 \| clang-16	2m 31s
Build \| L2-L3 \| ubuntu-22.04 \| clang-16	2m 14s
Build \| L2-L3 \| ubuntu-22.04 \| gcc	1m 36s
Build \| L2-L3-L2 \| ubuntu-22.04 \| clang-16	2m 5s
Build \| L2-L3-L2 \| ubuntu-22.04 \| gcc	1m 45s
Run \| L2-L3 \| FUZZ_ARI \| ubuntu-20.04 \| clang-16	1m 23s
Run \| L2-L3-L2 \| FUZZ_ARI \| ubuntu-20.04 \| clang-16	1m 44s
Run \| L2-L3 \| FUZZ_STREAM \| ubuntu-20.04 \| clang-16	1m 55s
Run \| L2-L3-L2 \| FUZZ_STREAM \| ubuntu-20.04 \| clang-16	2m 1s
Run \| L2-L3 \| FUZZ_ARI \| ubuntu-22.04 \| clang-16	1m 14s
Run \| L2-L3 \| FUZZ_ARI \| ubuntu-22.04 \| gcc	1m 39s
Run \| L2-L3-L2 \| FUZZ_ARI \| ubuntu-22.04 \| clang-16	1m 36s
Run \| L2-L3-L2 \| FUZZ_ARI \| ubuntu-22.04 \| gcc	2m 20s
Run \| L2-L3 \| FUZZ_STREAM \| ubuntu-22.04 \| clang-16	1m 31s
Run \| L2-L3 \| FUZZ_STREAM \| ubuntu-22.04 \| gcc	2m 2s
Run \| L2-L3-L2 \| FUZZ_STREAM \| ubuntu-22.04 \| clang-16	1m 52s
Run \| L2-L3-L2 \| FUZZ_STREAM \| ubuntu-22.04 \| gcc	2m 44s
	40m 15s

Provide feedback