feat!: enable no_std support for tari_crypto · tari-project/tari-crypto@2ec31e3

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions-rs/toolchain@v1, actions-rs/cargo@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

unused import: `borrow::Borrow`

`tari_crypto` (lib test) generated 1 warning (run `cargo fix --lib -p tari_crypto --tests` to apply 1 suggestion)

unused import: `borrow::Borrow`

`tari_crypto` (lib test) generated 1 warning (run `cargo fix --lib -p tari_crypto --tests` to apply 1 suggestion)

unresolved link to `CommitmentSignature`

unresolved link to `sign_raw`

unresolved link to `sign_message`

unresolved link to `sign_message`

unresolved link to `construct_domain_separated_challenge`

unresolved link to `sign_raw`

unresolved link to `sign_raw`

unresolved link to `sign_message`

unresolved link to `verify_message`

unresolved link to `sign_raw`

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

unused import: `borrow::Borrow`

`tari_crypto` (lib test) generated 1 warning (run `cargo fix --lib -p tari_crypto --tests` to apply 1 suggestion)

unused import: `borrow::Borrow`

`tari_crypto` (lib test) generated 1 warning (run `cargo fix --lib -p tari_crypto --tests` to apply 1 suggestion)

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