fix time out for counter_wb test #1400

Job	Run time
download_caravel	1m 26s
download_deps (pdk-with-volare)	3m 2s
download_deps (install_mcw)	3m 27s
download_deps (openlane)	57s
download_deps (setup-timing-scripts)	37s
download_deps (precheck)	1m 21s
RTL-verification (sky130A)	3m 53s
hardening (sky130A)	53m 54s
RTL-verification (sky130B)	4m 2s
hardening (sky130B)	58m 55s
STA (sky130A)	9m 12s
precheck (sky130A)	38m 53s
precheck (sky130B)	37m 25s
	3h 37m 4s

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