Rename stage process to simulate, reconstruct, analyze

This allows for more granular control and better parallelization in the future (generate once, simulate multiple, reconstructed multiple, etc).

benchmarks/single/config.yml

@@ -4,10 +4,10 @@ single:compile:
   script:
     - compile_analyses.py single
 
-single:process:
+single:simulate:
   extends: .phy_benchmark
   timeout: 24 hours
-  stage: process
+  stage: simulate
   needs: ["common:detector", "single:compile"]
   script:
     - bash benchmarks/single/single.sh e-_1GeV_45to135deg