chore: bump version to 0.1.1 across all crates

Update workspace members and dependencies to version 0.1.1 to prepare for a new release.

crates/irtt-proto/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "irtt-proto"
-version = "0.1.0"
+version = "0.1.1"
 description = "IRTT protocol encoding and decoding primitives"
 edition.workspace = true
 license.workspace = true