Bump actions/cache from 2 to 4 #12

Job	Run time
Lint	1m 59s
Python-3.9-windows-latest	37m 1s
Python-3.10-windows-latest	39m 26s
Python-3.11-windows-latest	39m 42s
Python-3.12-windows-latest	1h 2m 2s
Python-3.9-ubuntu-latest	2m 52s
Python-3.10-ubuntu-latest	4m 13s
Python-3.11-ubuntu-latest	4m 18s
Python-3.12-ubuntu-latest	8m 30s
Python-3.9-windows-latest	4m 10s
Python-3.10-windows-latest	5m 25s
Python-3.11-windows-latest	5m 26s
Python-3.12-windows-latest	5m 28s
Python-3.9-ubuntu-latest	2m 16s
Python-3.10-ubuntu-latest	2m 16s
Python-3.11-ubuntu-latest	2m 19s
Python-3.12-ubuntu-latest	2m 32s
smFISH Notebook Test	1m 51s
DARTFISH Notebook Test	50s
Docker Smoketest	1m 2s
ISS Notebook Test	1m 9s
osmFISH Notebook Test	1m 42s
MERFISH Notebook Test	1m 40s
Simulation Notebook Test	18s
BaristaSeq Notebook Test	43s
iss_pipeline.py Data Processing Example	1m 48s
SeqFISH Notebook Test	18s
3D smFISH Data Processing Example	1m 41s
STARmap Notebook Test	18s
	4h 3m 15s

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