build(deps): bump github.com/google/cel-go from 0.16.1 to 0.18.0

Bumps [github.com/google/cel-go](https://github.com/google/cel-go) from 0.16.1 to 0.18.0.
- [Release notes](https://github.com/google/cel-go/releases)
- [Commits](google/cel-go@v0.16.1...v0.18.0)

---
updated-dependencies:
- dependency-name: github.com/google/cel-go
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -64,7 +64,7 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/cel-go v0.16.1 // indirect
+	github.com/google/cel-go v0.18.0 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect

go.sum

@@ -82,8 +82,8 @@ github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiu
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/btree v1.0.1 h1:gK4Kx5IaGY9CD5sPJ36FHiBJ6ZXl0kilRiiCj+jdYp4=
-github.com/google/cel-go v0.16.1 h1:3hZfSNiAU3KOiNtxuFXVp5WFy4hf/Ly3Sa4/7F8SXNo=
-github.com/google/cel-go v0.16.1/go.mod h1:HXZKzB0LXqer5lHHgfWAnlYwJaQBDKMjxjulNQzhwhY=
+github.com/google/cel-go v0.18.0 h1:u74MPiEC8mejBrkXqrTWT102g5IFEUjxOngzQIijMzU=
+github.com/google/cel-go v0.18.0/go.mod h1:PVAybmSnWkNMUZR/tEWFUiJ1Np4Hz0MHsZJcgC4zln4=
 github.com/google/gnostic-models v0.6.8 h1:yo/ABAfM5IMRsS1VnXjTBvUb61tFIHozhlYvRgGre9I=
 github.com/google/gnostic-models v0.6.8/go.mod h1:5n7qKqH0f5wFt+aWF8CW6pZLLNOfYuF5OpfBSENuI8U=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=