Bump cel-go to v0.17.6

vendor/github.com/google/cel-go/parser/options.go

@@ -25,6 +25,7 @@ type options struct {
 	macros                           map[string]Macro
 	populateMacroCalls               bool
 	enableOptionalSyntax             bool
+	enableVariadicOperatorASTs       bool
 }
 
 // Option configures the behavior of the parser.
@@ -125,3 +126,15 @@ func EnableOptionalSyntax(optionalSyntax bool) Option {
 		return nil
 	}
 }
+
+// EnableVariadicOperatorASTs enables a compact representation of chained like-kind commutative
+// operators. e.g. `a || b || c || d` -> `call(op='||', args=[a, b, c, d])`
+//
+// The benefit of enabling variadic operators ASTs is a more compact representation deeply nested
+// logic graphs.
+func EnableVariadicOperatorASTs(varArgASTs bool) Option {
+	return func(opts *options) error {
+		opts.enableVariadicOperatorASTs = varArgASTs
+		return nil
+	}
+}