Chore(deps): Bump pycryptodome from 3.17 to 3.21.0

Bumps [pycryptodome](https://github.com/Legrandin/pycryptodome) from 3.17 to 3.21.0.
- [Release notes](https://github.com/Legrandin/pycryptodome/releases)
- [Changelog](https://github.com/Legrandin/pycryptodome/blob/master/Changelog.rst)
- [Commits](Legrandin/pycryptodome@v3.17.0...v3.21.0)

---
updated-dependencies:
- dependency-name: pycryptodome
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -47,7 +47,7 @@ dependencies = [
   "multiaddr==0.0.9",                                                                                                      # for libp2p-stubs
   "orjson>=3.7.7",                                                                                                         # Minimum version for Python 3.11
   "psycopg2-binary==2.9.5",                                                                                                # Note: psycopg3 is not yet supported by SQLAlchemy
-  "pycryptodome==3.17",                                                                                                    # for libp2p-stubs
+  "pycryptodome==3.21.0",                                                                                                    # for libp2p-stubs
   "pymultihash==0.8.2",                                                                                                    # for libp2p-stubs
   "pynacl==1.5",
   "python-dateutil==2.8.2",