Chore(deps): Bump py-sr25519-bindings from 0.2 to 0.2.1

Bumps [py-sr25519-bindings](https://github.com/polkascan/py-sr25519-bindings) from 0.2 to 0.2.1.
- [Release notes](https://github.com/polkascan/py-sr25519-bindings/releases)
- [Commits](JAMdotTech/py-sr25519@v0.2.0...v0.2.1)

---
updated-dependencies:
- dependency-name: py-sr25519-bindings
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -33,7 +33,7 @@ dependencies = [
   "aleph-message>=0.6",
   "aleph-sdk-python>=1.3,<2",
   "base58==2.1.1",               # Needed now as default with _load_account changement
-  "py-sr25519-bindings==0.2",    # Needed for DOT signatures
+  "py-sr25519-bindings==0.2.1",    # Needed for DOT signatures
   "pygments==2.19.1",
   "pynacl==1.5",                 # Needed now as default with _load_account changement
   "python-magic==0.4.27",