feat!: update to latest 1.0.0-rc.0 deps and redb@4 (#100)

Author: dignifiedquire

.github/workflows/ci.yaml

@@ -16,7 +16,7 @@ env:
   RUST_BACKTRACE: 1
   RUSTFLAGS: -Dwarnings
   RUSTDOCFLAGS: -Dwarnings
-  MSRV: "1.89"
+  MSRV: "1.91"
   SCCACHE_CACHE_SIZE: "50G"
   IROH_FORCE_STAGING_RELAYS: "1"