build(deps): bump base64 from 0.21.2 to 0.21.3 in /oracle-scripts (#128)

Bumps [base64](https://github.com/marshallpierce/rust-base64) from 0.21.2 to 0.21.3.
<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>0.21.3</h1>
<ul>
<li>Implement <code>source</code> instead of <code>cause</code> on Error types</li>
<li>Roll back MSRV to 1.48.0 so Debian can continue to live in a time warp</li>
<li>Slightly faster chunked encoding for short inputs</li>
<li>Decrease binary size</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/6f9f73481506597750c9ab6674329cbb2b6679f0"><code>6f9f734</code></a> v0.21.3</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/a7e1f473d8eff2bdf7bbc89b509fdaf6918b9988"><code>a7e1f47</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/224">#224</a> from marshallpierce/mina86-a</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/96b29d848eae315e5540aa0325ad91937b65d620"><code>96b29d8</code></a> Improve comments and increase test paranoia.</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/2b5112fcc5b662cdb19755844b5b8e281d94e0cc"><code>2b5112f</code></a> Merge branch 'master' into mina86-a</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/a3f692b4ec5df8efddbb45f0dd8d83032cb393af"><code>a3f692b</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/250">#250</a> from marshallpierce/mp/esw-test</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/a589c62cb0b2edef69b8f9eb23937fc4c983668a"><code>a589c62</code></a> Add a test to EncoderStringWriter</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/70d2b537810a457167b42362c18f2ede3da98dde"><code>70d2b53</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/249">#249</a> from marshallpierce/mp/cleanup</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/f2a06ddf4bcee9a12721cf1fceec2a8c30fdbc67"><code>f2a06dd</code></a> Misc cleanups</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/b00174920ac353c91484b97420193f2a8a9281bf"><code>b001749</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/246">#246</a> from tcharding/08-09-roll-back-msrv</li>
<li><a href="https://github.com/marshallpierce/rust-base64/commit/d2e75a4dc0b5d4462d20ad7c72276631b58cb5d0"><code>d2e75a4</code></a> Merge pull request <a href="https://redirect.github.com/marshallpierce/rust-base64/issues/241">#241</a> from EFanZh/optimize-generic-functions</li>
<li>Additional commits viewable in <a href="https://github.com/marshallpierce/rust-base64/compare/v0.21.2...v0.21.3">compare view</a></li>
</ul>
</details>
<br />


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</details>

oracle-scripts/Cargo.toml

@@ -15,4 +15,4 @@ wasm-bindgen = "0.2.87"
 
 [dev-dependencies]
 hex = "0.4.3"
-base64 = "0.21.2"
+base64 = "0.21.3"