build(deps): Bump base64 from 0.21.5 to 0.21.7 (#406)

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.21.5 to 0.21.7.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md">base64's changelog</a>.</em></p>
<blockquote>
<h1>0.21.7</h1>
<ul>
<li>Support getting an alphabet's contents as a str via <code>Alphabet::as_str()</code></li>
</ul>
<h1>0.21.6</h1>
<ul>
<li>Improved introductory documentation and example</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/9652c787730e58515ce7b44fcafd2430ab424628"><code>9652c78</code></a> v0.21.7</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/08deccf7031b9c769a556cd9ebb0bc9cac988272"><code>08deccf</code></a> provide as_str() method to return the alphabet characters (<a href="https://redirect.github.com/marshallpierce/rust-base64/issues/264">#264</a>)</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/1cd75a169d7148e27acd270bc3665f359de9df57"><code>1cd75a1</code></a> v0.21.6</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/5820d9bb90145c8360a1dad6f3437a46a7679181"><code>5820d9b</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/263">#263</a> from marshallpierce/silverlyra-usage</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/97d9180e2d3cce4910f07d7b917da8fddb78c375"><code>97d9180</code></a> Merge branch 'usage' of github.com:silverlyra/rust-base64 into silverlyra-usage</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/b64c624a6c54bbf34927d181a5ec9ba4d9ecebf1"><code>b64c624</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/262">#262</a> from tamird/clap</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/e32ca1885be696276418a3b45b9b2331cd1f9491"><code>e32ca18</code></a> examples: replace structopt with clap</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/72f25a8b033c09f201d00b13f0472ec0772ed85e"><code>72f25a8</code></a> Simplify the example program</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/40e162c843896ee6d29af56efb1a1e574da8109f"><code>40e162c</code></a> Rewrite the crate docstring</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/bfde751e1b5beff70cfcdb8389ef2e40553648fa"><code>bfde751</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/260">#260</a> from marshallpierce/mp/doc-grammar</li>
<li>Additional commits viewable in <a href="https://github.com/marshallpierce/rust-base64/compare/v0.21.5...v0.21.7">compare view</a></li>
</ul>
</details>
<br />


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</details>

packages/bindings-test/Cargo.toml

@@ -12,6 +12,6 @@ desmos-bindings = { path = "../bindings", version = "3.0.0" }
 test-contract = { path = "../../contracts/test-contract", version = "1.0.0" }
 serde = "1.0.195"
 serde_json = "1.0.109"
-base64 = "0.21.5"
+base64 = "0.21.7"
 chrono = "0.4.31"
 

packages/bindings/Cargo.toml

@@ -31,7 +31,7 @@ serde-cw-value = "0.7.0"
 desmos-mock = { version = "3.0.0", path = "../mock" }
 schemars = "0.8.16"
 strum_macros = "0.25.3"
-base64 = "0.21.5"
+base64 = "0.21.7"
 desmos-std-derive = {version = "3.0.0", path = "../std-derive"}
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]