Merge #3541

3541: Bump derivative from 2.1.3 to 2.2.0 r=mergify[bot] a=dependabot[bot]

Bumps [derivative](https://github.com/mcarton/rust-derivative) from 2.1.3 to 2.2.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/mcarton/rust-derivative/blob/master/CHANGELOG.md">derivative's changelog</a>.</em></p>
<blockquote>
<h2>2.2.0</h2>
<ul>
<li>Add support for deriving traits on <code>repr(packed)</code> types (<a href="https://github.com/mcarton/rust-derivative/issues/84">#84</a>).</li>
<li>Fix bug with <code>Debug</code> bounds (<a href="https://github.com/mcarton/rust-derivative/issues/83">#83</a>).</li>
<li>Migrate documentation to <code>mdbook</code> and fix issues found in examples (<a href="https://github.com/mcarton/rust-derivative/issues/83">#83</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/mcarton/rust-derivative/commits/v2.2.0">compare view</a></li>
</ul>
</details>
<br />


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nectar/Cargo.toml

@@ -16,7 +16,7 @@ config = { version = "0.10", default-features = false, features = [ "toml" ] }
 conquer-once = "0.3"
 contract-address = "0.4.0"
 csv = "1.1"
-derivative = "2.1"
+derivative = "2.2"
 directories-next = "2"
 ethabi = "12.0"
 ethereum-types = "0.9"