fix: Over-align public constants in moduli_init

[Avaneesh-axiom]

The two_modular_limbs_list constant declared by moduli_init! and used later in the complex setup macro was not guaranteed to be aligned to a large enough alignment. This caused an issue in some use-case.

This change aligns the public constant two_modular_limbs_list to the max block size of a modulus among all moduli declared to ensure no memory alignment issues arise.

Fixes INT-5135

[jonathanpwang]

LGTM, but hold on merging.

limb_list_borders doesn't need alignment because (1) it's usize aligned, (2) we only access it's fields statically so it likely is compiled away already.

[github-actions]

group	app.proof_time_ms	app.cycles	app.cells_used	leaf.proof_time_ms	leaf.cycles	leaf.cells_used
verify_fibair	(+5 [+2.2%]) 228	322,610	2,058,654	-	-	-
fibonacci	(-11 [-1.1%]) 1,000	1,500,210	2,107,962	-	-	-
regex	(+72 [+3.0%]) 2,447	4,109,350	17,719,202	-	-	-
ecrecover	(-26 [-3.6%]) 700	137,132	2,278,104	-	-	-
pairing	(-14 [-1.0%]) 1,419	1,882,939	25,845,170	-	-	-

Commit: 1ae4417

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