Bump web3 from 5.11.0 to 5.15.0 in /requirements

[dependabot]

Bumps web3 from 5.11.0 to 5.15.0.

Changelog

Sourced from web3's changelog.

v5.15.0 (2021-01-15)

Features

- Add ``get_storage_at`` method and deprecate ``getStorageAt``. (`[#1828](https://github.com/ethereum/web3.py/issues/1828) <https://github.com/ethereum/web3.py/issues/1828>`__)
- Add ``eth.get_block`` method and deprecate ``eth.getBlock``. (`[#1829](https://github.com/ethereum/web3.py/issues/1829) <https://github.com/ethereum/web3.py/issues/1829>`__)
Bugfixes

• PR #1585 changed the error that was coming back from eth-tester when the Revert opcode was called, which broke some tests in downstream libraries. This PR reverts back to raising the original error. ([#1813](https://github.com/ethereum/web3.py/issues/1813) <https://github.com/ethereum/web3.py/issues/1813>__)
• Added a new ContractLogicError for when a contract reverts a transaction. ContractLogicError will replace SolidityError, in v6. ([#1814](https://github.com/ethereum/web3.py/issues/1814) <https://github.com/ethereum/web3.py/issues/1814>__)

Improved Documentation

- Introduce Beacon API documentation (`[#1836](https://github.com/ethereum/web3.py/issues/1836) <https://github.com/ethereum/web3.py/issues/1836>`__)
Misc

- `[#1602](https://github.com/ethereum/web3.py/issues/1602) &lt;https://github.com/ethereum/web3.py/issues/1602&gt;`__, `[#1827](https://github.com/ethereum/web3.py/issues/1827) &lt;https://github.com/ethereum/web3.py/issues/1827&gt;`__, `[#1831](https://github.com/ethereum/web3.py/issues/1831) &lt;https://github.com/ethereum/web3.py/issues/1831&gt;`__, `[#1833](https://github.com/ethereum/web3.py/issues/1833) &lt;https://github.com/ethereum/web3.py/issues/1833&gt;`__, `[#1834](https://github.com/ethereum/web3.py/issues/1834) &lt;https://github.com/ethereum/web3.py/issues/1834&gt;`__
v5.14.0 (2021-01-05)
Bugfixes



Remove docs/web3.* from the gitignore to allow for the beacon docs to be added to git,
and add beacon to the default web3 modules that get loaded. ([#1824](https://github.com/ethereum/web3.py/issues/1824) &lt;https://github.com/ethereum/web3.py/issues/1824&gt;__)
Remove auto-documenting from the Beacon API ([#1825](https://github.com/ethereum/web3.py/issues/1825) &lt;https://github.com/ethereum/web3.py/issues/1825&gt;__)

Features

- Introduce experimental Ethereum 2.0 beacon node API (`[#1758](https://github.com/ethereum/web3.py/issues/1758) &lt;https://github.com/ethereum/web3.py/issues/1758&gt;`__)
- Add new get_balance method on Eth class. Deprecated getBalance. (`[#1806](https://github.com/ethereum/web3.py/issues/1806) &lt;https://github.com/ethereum/web3.py/issues/1806&gt;`__)
Misc

&lt;/tr&gt;&lt;/table&gt;

</code></pre>

</blockquote>

<p>... (truncated)</p>

</details>

<details>

<summary>Commits</summary>
<ul>

<li><a href="https://github.com/ethereum/web3.py/commit/03416d59cfec43d6ca68efba93ec5a6e22b5b116&quot;&gt;&lt;code&gt;03416d5&lt;/code&gt;&lt;/a> Bump version: 5.14.0 → 5.15.0</li>

<li><a href="https://github.com/ethereum/web3.py/commit/2e040ac435ca52227e019abc7b462f5d4484a174&quot;&gt;&lt;code&gt;2e040ac&lt;/code&gt;&lt;/a> Compile release notes</li>

<li><a href="https://github.com/ethereum/web3.py/commit/6f589ad4c63549ca39953742403d447f1762fa76&quot;&gt;&lt;code&gt;6f589ad&lt;/code&gt;&lt;/a> Fix newsfragment formatting</li>

<li><a href="https://github.com/ethereum/web3.py/commit/3a416f3b23c23635b492073001b1e574de918f20&quot;&gt;&lt;code&gt;3a416f3&lt;/code&gt;&lt;/a> Add newsfragment for Parity -&gt; Method</li>

<li><a href="https://github.com/ethereum/web3.py/commit/30660701f015c17499b655cc8704d29f5430608b&quot;&gt;&lt;code&gt;3066070&lt;/code&gt;&lt;/a> Move Parity module to use Method class</li>

<li><a href="https://github.com/ethereum/web3.py/commit/3644fed429927e5200776bf7ea89e4743e704759&quot;&gt;&lt;code&gt;3644fed&lt;/code&gt;&lt;/a> introduce beacon API docs (<a href="https://github-redirect.dependabot.com/ethereum/web3.py/issues/1836&quot;&gt;#1836&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/ethereum/web3.py/commit/954efed571317bffadd4e9300f67c30c33320d79&quot;&gt;&lt;code&gt;954efed&lt;/code&gt;&lt;/a> Mark Geth's replaceTransaction_already_mined test as flaky</li>

<li><a href="https://github.com/ethereum/web3.py/commit/c934ca41851942ec3442ce4f66a0924265ebc58b&quot;&gt;&lt;code&gt;c934ca4&lt;/code&gt;&lt;/a> Remove requests-mock library dependency from beacon tests</li>

<li><a href="https://github.com/ethereum/web3.py/commit/b15e4ea3d898c779e9a57db1260dda690f186982&quot;&gt;&lt;code&gt;b15e4ea&lt;/code&gt;&lt;/a> Move getBlock to get_block</li>

<li><a href="https://github.com/ethereum/web3.py/commit/061827035d847413a6e4fe801b16db5238330572&quot;&gt;&lt;code&gt;0618270&lt;/code&gt;&lt;/a> Move SolidityError -&gt; ContractLogicError</li>

<li>Additional commits viewable in <a href="https://github.com/ethereum/web3.py/compare/v5.11.0...v5.15.0&quot;&gt;compare view</a></li>

</ul>

</details>
<br />



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[dependabot]

Superseded by #21.