feat: make shplemini proof constant #21101

Job	Run time
changes	7s
setup / start-builder	3m 15s
build-images	3s
build	0s
acir-bench	0s
bb-gcc	6m 6s
bb-native-tests	14m 55s
bb-js-test	13m 39s
bb-bench	21m 3s
noir-build-acir-tests	20s
noir-examples	12m 17s
noir-format	0s
noir-test	0s
noir-packages-test	19m 59s
avm-format	0s
docs-preview	0s
l1-contracts-test	0s
protocol-circuits-gates-report	17m 39s
public-functions-size-report	12m 21s
e2e	0s
noir-projects	0s
bench-e2e	0s
yarn-project-formatting	0s
yarn-project-test	0s
boxes	0s
prover-client-test	0s
bench-summary	0s
boxes-test	0s
bb-acir-tests-bb	7m 58s
bb-acir-tests-sol	12m 11s
bb-acir-tests-bb-js	15m 59s
bb-acir-tests-sol-honk	9m 57s
merge-check	1s
rerun-check	1s
notify	0s
	2h 47m 51s

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