[topgen] Deepcopy parameter when mangeling #3553

Job	Run time
Lint (quick)	3m 0s
Build documentation	4m 54s
Airgapped build	9m 59s
Run OTBN smoke Test	2m 34s
Run OTBN crypto tests	21m 2s
Lint (slow)	16m 1s
Verible lint	1m 8s
Verilated English Breakfast	8m 3s
Build Docker Containers	2m 46s
CW305's Bitstream	22m 40s
Build and test software	19m 32s
Verilated Earl Grey	1h 17m 5s
Earl Grey for CW310 / Build bitstream	1h 8m 21s
Earl Grey for CW310 Hyperdebug / Build bitstream	1h 12m 3s
Earl Grey for CW340 / Build bitstream	1h 28m 15s
CW310 Test ROM Tests / FPGA test	4m 47s
CW310 ROM Tests / FPGA test	42m 33s
CW310 ROM_EXT Tests / FPGA test	5m 53s
CW310 SiVal ROM_EXT Tests / FPGA test	37m 54s
CW310 Manufacturing Tests / FPGA test	29m 47s
CW310 SiVal Tests / FPGA test	24m 43s
Cache bitstreams to GCP	0s
CW340 ROM Tests / FPGA test	53s
CW340 ROM_EXT Tests / FPGA test	5m 57s
CW340 SiVal Tests / FPGA test	18m 38s
CW340 Manufacturing Tests / FPGA test	7m 24s
CW340 SiVal ROM_EXT Tests / FPGA test	4m 46s
CW340 Test ROM Tests / FPGA test	3m 27s
Verify FPGA jobs	22s
	10h 4m 27s

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