Build cleanup

[ovidiuolteanu]

Remade cargo.lock and .toml files to reflect latest framework version.
Actions update to use the latest rust version.

[github-actions]

Contract comparison - from 1fb9a1d to d352c9b

Path	size	has-allocator	has-format
mx-exchange-sc
- pause-all/pause-all.wasm	5452 ➡️ 5548 🔴	No	No
mx-exchange-sc/dex
- farm/farm.wasm	38868 ➡️ 38759 🟢	No	No
- farm-with-locked-rewards/farm-with-locked-rewards.wasm	38501 ➡️ 38439 🟢	No	No
- governance/governance.wasm	17305 ➡️ 17355 🔴	No	No
- pair
- - pair.wasm	31232 ➡️ 31107 🟢	No	No
- - pair-full.wasm	32686 ➡️ 32503 🟢	No	No
- - safe-price-view.wasm	7862 ➡️ 7888 🔴	No	No
- pair-mock/pair-mock.wasm	5474 ➡️ 5470 🟢	No	No
- price-discovery/price-discovery.wasm	16384 ➡️ 16381 🟢	No	No
- proxy-deployer/proxy-deployer.wasm	4477 ➡️ 4502 🔴	No	No
- router/router.wasm	26617 ➡️ 26718 🔴	No	No
mx-exchange-sc/energy-integration
- energy-factory-mock/energy-factory-mock.wasm	4233 ➡️ 4277 🔴	No	No
- energy-update/energy-update.wasm	1520 ➡️ 1558 🔴	No	No
- fees-collector/fees-collector.wasm	18766 ➡️ 18953 🔴	No	No
- governance-v2/governance-v2.wasm	16727 ➡️ 16607 🟢	No	No
mx-exchange-sc/farm-staking
- farm-staking/farm-staking.wasm	42992 ➡️ 43079 🔴	No	No
- farm-staking-proxy/farm-staking-proxy.wasm	19403 ➡️ 19394 🟢	No	No
- metabonding-staking/metabonding-staking.wasm	10158 ➡️ 10176 🔴	No	No
mx-exchange-sc/locked-asset
- distribution/distribution.wasm	14379 ➡️ 14292 🟢	No	No
- energy-factory/energy-factory.wasm	35393 ➡️ 35029 🟢	No	No
- factory/factory.wasm	30399 ➡️ 30470 🔴	No	No
- lkmex-transfer/lkmex-transfer.wasm	11235 ➡️ 11262 🔴	No	No
- locked-token-wrapper/locked-token-wrapper.wasm	14425 ➡️ 14555 🔴	No	No
- proxy_dex/proxy_dex.wasm	36899 ➡️ 36917 🔴	No	No
- simple-lock/simple-lock.wasm	24592 ➡️ 24491 🟢	No	No
- simple-lock-whitelist/simple-lock-whitelist.wasm	26239 ➡️ 26212 🟢	No	No
- token-unstake/token-unstake.wasm	14255 ➡️ 14292 🔴	No	No

[andreibancioiu]

An extra workflow to simulate releases / reproducible builds can also be helpful. E.g.

https://github.com/multiversx/mx-contracts-rs/blob/main/.github/workflows/on_pull_request_build_contracts.yml