Bump CEL to v0.20.1

[bigkevmcd]

Changes

This registers the newest cel Extensions.

• Lists
• Sets
• Maths

The docs are updated and the cel-eval tool has been updated to register the extensions.

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• Has Tests included if any functionality added or changed
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/kind cleanup

Release Notes

CEL interceptor updated to cel-go v0.20.1 and extensions for manipulating lists, sets and mathematical functions have been added.

[bigkevmcd]

@khrm Updated with the correct registrations.

[khrm]

Please make changes in the test file also:

triggers/cmd/cel-eval/cmd/root_test.go

Line 10 in 1324263

func TestEvalCEL(t *testing.T) {

[khrm]

/approve

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[khrm]

@savitaashture Let's merge this for v0.27.0

[savitaashture]

/lgtm