build(deps): Bump cw-multi-test from 0.19.0 to 0.20.0 (#379)

Bumps [cw-multi-test](https://github.com/CosmWasm/cw-multi-test) from 0.19.0 to 0.20.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/CosmWasm/cw-multi-test/blob/main/CHANGELOG.md">cw-multi-test's changelog</a>.</em></p>
<blockquote>
<h2><a href="https://github.com/CosmWasm/cw-multi-test/tree/v0.20.0">v0.20.0</a> (2023-12-06)</h2>
<p><a href="https://github.com/CosmWasm/cw-multi-test/compare/v0.19.0...v0.20.0">Full Changelog</a></p>
<p><strong>Closed issues:</strong></p>
<ul>
<li>Unit testing IBC with mock module fails: Cannot execute Stargate <a href="https://redirect.github.com/CosmWasm/cw-multi-test/issues/37">#37</a></li>
<li>Allow mocking Stargate messages <a href="https://redirect.github.com/CosmWasm/cw-multi-test/issues/40">#40</a></li>
<li>MultiTest does not support CosmosMsg::Stargate <a href="https://redirect.github.com/CosmWasm/cw-multi-test/issues/88">#88</a></li>
</ul>
<p><strong>Merged pull requests:</strong></p>
<ul>
<li>Stargate mock support <a href="https://redirect.github.com/CosmWasm/cw-multi-test/pull/106">#106</a> (<a href="https://github.com/DariuszDepta">DariuszDepta</a>)</li>
<li>Made <code>no_init</code> function public <a href="https://redirect.github.com/CosmWasm/cw-multi-test/pull/107">#107</a> (<a href="https://github.com/DariuszDepta">DariuszDepta</a>)</li>
<li>Separated test helper contracts for Gov and IBC <a href="https://redirect.github.com/CosmWasm/cw-multi-test/pull/108">#108</a> (<a href="https://github.com/DariuszDepta">DariuszDepta</a>)</li>
<li>Add test to check custom <code>AddressGenerator</code> implementation <a href="https://redirect.github.com/CosmWasm/cw-multi-test/pull/110">#110</a> (<a href="https://github.com/epanchee">epanchee</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/CosmWasm/cw-multi-test/commits">compare view</a></li>
</ul>
</details>
<br />


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</details>

packages/bindings/Cargo.toml

@@ -35,7 +35,7 @@ base64 = "0.21.5"
 desmos-std-derive = {version = "3.0.0", path = "../std-derive"}
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-cw-multi-test = { version = "0.19.0" }
+cw-multi-test = { version = "0.20.0" }
 
 [features]
 default = ["profiles", "subspaces", "posts", "relationships", "reports", "reactions", "tokenfactory"]