chore: bump version to 0.1.1

The v0.1.1 release tag was created without bumping the version in
pyproject.toml or Cargo.toml, so the release workflow built 0.1.0
wheels and PyPI rejected them as duplicates.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: sash-a

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "echo"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 description = "A fast distributed replay buffer for reinforcement learning."
 license = "Apache-2.0"

Cargo.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "id-echo"
-version = "0.1.0"
+version = "0.1.1"
 description = "A fast distributed replay buffer for reinforcement learning."
 readme = "README.md"
 license = { file = "LICENSE" }