podspec: add additional features for podspec #412

Job	Run time
Formatting	33s
Unit Tests	1m 46s
test-jobs (post, 100)	8m 1s
test-jobs (batch, 100)	7m 23s
test-jobs (timed, 100)	7m 38s
test-jobs (debug, 100)	7m 23s
test-jobs (volumes, 100)	7m 21s
test-jobs (hello-world, 100)	8m 5s
test-jobs (nginx-service, 100)	7m 21s
test-jobs (custom-config, 100)	7m 24s
test-jobs (minimal-service, 100)	7m 25s
test-jobs (existing-volumes, 100)	8m 7s
test-jobs (flux-resource-list, 100)	7m 21s
test-jobs (nginx-sidecar-service, 100)	7m 11s
test-jobs (pokemon, ghcr.io/rse-ops/pokemon:app-latest, 100)	7m 49s
test-jobs (snakemake, ghcr.io/rse-ops/atacseq:app-latest, 100)	8m 39s
test-jobs (singularity, ghcr.io/rse-ops/singularity:tag-mamba, 100)	8m 47s
test-jobs (lammps, ghcr.io/converged-computing/metric-lammps:latest, 100)	8m 4s
test-jobs (disable-view, ghcr.io/rse-ops/lammps:flux-sched-focal, 100)	8m 38s
	2h 14m 56s

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