Composer 1.0.0-rc.1

What's Changed

• chore(all): remove once_cell by @ethanoroshiba in #1576
• chore(all): Migrate all instances of #[allow] to #[expect] by @ethanoroshiba in #1561
• chore(proto, core)!: remove action suffix from all action types by @SuperFluffy in #1630
• chore: cargo audit warning by @Fraser999 in #1644
• fix(composer)!: update to work with appside mempool by @Lilyjjo in #1643
• chore(proto)!: prefer astria.primitive.v1.RollupId over bytes by @SuperFluffy in #1661
• chore(proto)!: call transactions Transaction, contents TransactionBody by @SuperFluffy in #1650
• chore(proto)!: rename sequence action to rollup data submission by @SuperFluffy in #1665
• chore(proto)!: upgrade to proto v1s throughout by @joroshiba in #1672
• release: v1.0.0-rc.1 cuts by @joroshiba in #1667

Full Changelog: composer-v0.8.3...composer-v1.0.0-rc.1