Bump web3 from 5.11.0 to 5.13.1 in /requirements

[dependabot]

Bumps web3 from 5.11.0 to 5.13.1.

Changelog

Sourced from web3's changelog.

v5.13.1 (2020-12-03)

Bugfixes

- Handle revert reason parsing for Ganache (`[#1794](https://github.com/ethereum/web3.py/issues/1794) <https://github.com/ethereum/web3.py/issues/1794>`__)
Improved Documentation

• Document Geth and Parity/OpenEthereum fixture generation ([#1787](https://github.com/ethereum/web3.py/issues/1787) <https://github.com/ethereum/web3.py/issues/1787>__)

Misc

- `[#1778](https://github.com/ethereum/web3.py/issues/1778) <https://github.com/ethereum/web3.py/issues/1778>`__, `[#1780](https://github.com/ethereum/web3.py/issues/1780) <https://github.com/ethereum/web3.py/issues/1780>`__, `[#1790](https://github.com/ethereum/web3.py/issues/1790) <https://github.com/ethereum/web3.py/issues/1790>`__, `[#1791](https://github.com/ethereum/web3.py/issues/1791) <https://github.com/ethereum/web3.py/issues/1791>`__, `[#1796](https://github.com/ethereum/web3.py/issues/1796) <https://github.com/ethereum/web3.py/issues/1796>`__
v5.13.0 (2020-10-29)
Features

• Raise SolidityError exceptions that contain the revert reason when a call fails. ([#941](https://github.com/ethereum/web3.py/issues/941) <https://github.com/ethereum/web3.py/issues/941>__)

Bugfixes

- Update eth-tester dependency to fix tester environment install version conflict. (`[#1782](https://github.com/ethereum/web3.py/issues/1782) <https://github.com/ethereum/web3.py/issues/1782>`__)
Misc

- `[#1757](https://github.com/ethereum/web3.py/issues/1757) &lt;https://github.com/ethereum/web3.py/issues/1757&gt;`__, `[#1767](https://github.com/ethereum/web3.py/issues/1767) &lt;https://github.com/ethereum/web3.py/issues/1767&gt;`__
v5.12.3 (2020-10-21)
Misc



[#1752](https://github.com/ethereum/web3.py/issues/1752) &lt;https://github.com/ethereum/web3.py/issues/1752&gt;, [#1759](https://github.com/ethereum/web3.py/issues/1759) &lt;https://github.com/ethereum/web3.py/issues/1759&gt;, [#1773](https://github.com/ethereum/web3.py/issues/1773) &lt;https://github.com/ethereum/web3.py/issues/1773&gt;, [#1775](https://github.com/ethereum/web3.py/issues/1775) &lt;https://github.com/ethereum/web3.py/issues/1775&gt;

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Commits

• 72457e6 Bump version: 5.13.0 → 5.13.1
• 3456dda Compile release notes
• 1f647a9 Add handler for Ganache revert message format (#1794)
• fe91c9a Add newsfragment for pytest warning
• d41d2c3 Remove unneeded pytestmark warnings
• e176ce0 Make if statement generic in result_formatters
• 69e623b Move filter to use Method class
• 7251ac7 Merge pull request #1790 from tmckenzie51/tiffany/geth-versions
• b96bf5c add release note
• d28f89a Remove Whisper API (#1791)
• Additional commits viewable in compare view

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[dependabot]

Superseded by #17.