performance(sierra-calcs): Made topological order not require vec alloc.

[orizi]

SIERRA_UPDATE_PATCH_CHANGE_TAG=Just performance gain - no interface effect.

[reviewable-StarkWare]

This change is 

[orizi]

• performance(sierra-to-casm): Small map optimization of vars map. #8480
• performance(vec-alloaction): Simpler vector allocations. #8479
• performance(sierra-gas): Compute topological order for prepare_wallet once. #8478
• performance(sierra-calcs): Made topological order not require vec alloc. #8477 👈 (View in Graphite)
• performance(sierra-gas): Gas computation performance improvements. #8475
• main

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[TomerStarkware]

@TomerStarkware reviewed 4 of 4 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @orizi)