Bump safe-eth-py from 6.0.0b12 to 6.0.0b13

Bumps [safe-eth-py](https://github.com/safe-global/safe-eth-py) from 6.0.0b12 to 6.0.0b13.
- [Release notes](https://github.com/safe-global/safe-eth-py/releases)
- [Commits](safe-global/safe-eth-py@v6.0.0b12...v6.0.0b13)

---
updated-dependencies:
- dependency-name: safe-eth-py
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -5,7 +5,7 @@ packaging>=23.1
 prompt_toolkit==3.0.41
 pygments==2.17.2
 requests==2.31.0
-safe-eth-py==6.0.0b12
+safe-eth-py==6.0.0b13
 tabulate==0.9.0
 trezor==0.13.8
 web3==6.11.4

setup.py

@@ -24,7 +24,7 @@
         "prompt_toolkit>=3",
         "pygments>=2",
         "requests>=2",
-        "safe-eth-py==6.0.0b12",
+        "safe-eth-py==6.0.0b13",
         "tabulate>=0.8",
     ],
     extras_require={"ledger": ["ledgereth==0.9.1"], "trezor": ["trezor==0.13.8"]},