chore: adding cel for psp-seccomp policy #1964

Job	Run time
Require a sync.yaml file and metadata.gatekeeper.sh/requires-sync-data annotation for every templ...	1m 24s
generate	1m 54s
Verify assertions in suite.yaml files for cel policies	6s
Require a suite.yaml file alongside every template.yaml	8s
Verify assertions in suite.yaml files for cel policies	18s
Test scripts	1m 35s
Verify assertions in suite.yaml files for rego policies	17s
Verify assertions in suite.yaml files for rego policies	20s
Unit test on ubuntu-latest opa v0.44.0	13s
Integration test on Gatekeeper 3.15.1 for cel policies	6s
Unit test on ubuntu-latest opa v0.57.1	11s
Integration test on Gatekeeper 3.15.1 for rego policies	6m 44s
Unit test on macos-latest opa v0.44.0	28s
Unit test on macos-latest opa v0.57.1	18s
Integration test on Gatekeeper 3.16.3 for cel policies	6m 39s
Integration test on Gatekeeper 3.16.3 for rego policies	6m 34s
	27m 15s

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