Bump base64 from 0.21.4 to 0.21.5 (#1640)

Bumps [base64](https://github.com/marshallpierce/rust-base64) from
0.21.4 to 0.21.5.
<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>0.21.5</h1>
<ul>
<li>Add <code>Debug</code> and <code>Clone</code> impls for the general
purpose Engine</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/7f81bafe0e76bcdb84f3069d81d56d77a7a24280"><code>7f81baf</code></a>
v0.21.5</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/95dda57d41d6be23ff98d1fa6eb86741f49b746f"><code>95dda57</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/255">#255</a>
from marshallpierce/mp/debug</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/bda313a5bc29e0369319604e103698b8302ff300"><code>bda313a</code></a>
Add Debug and Clone to general purpose Engine</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/53a87376451e679cdbab2bbdc68d02501784c7e1"><code>53a8737</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/254">#254</a>
from marshallpierce/mp/ci-all-targets</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/c423b6ec2e40151c181cbf0a3ba1eed81ea216b2"><code>c423b6e</code></a>
CI for all targets w/o default features</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/9eaf503f9cb3818faba518491716e2e51007c8cb"><code>9eaf503</code></a>
Merge pull request <a
href="https://redirect.github.com/marshallpierce/rust-base64/issues/253">#253</a>
from kpreid/features-and-build</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/04451fb0bc85ce1572e11112faae1e5e04e94236"><code>04451fb</code></a>
Allow <code>cargo test</code> to complete under any set of
features.</li>
<li><a
href="https://github.com/marshallpierce/rust-base64/commit/2ee1a00030a34a4149f3ea42d350f105c6d405df"><code>2ee1a00</code></a>
<code>no_std</code> import simplification.</li>
<li>See full diff in <a
href="https://github.com/marshallpierce/rust-base64/compare/v0.21.4...v0.21.5">compare
view</a></li>
</ul>
</details>
<br />


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src/daft-core/Cargo.toml

@@ -1,6 +1,6 @@
 [dependencies]
 arrow2 = {workspace = true, features = ["chrono-tz", "compute_take", "compute_cast", "compute_aggregate", "compute_if_then_else", "compute_sort", "compute_filter", "compute_temporal", "compute_comparison", "compute_arithmetics", "compute_concatenate", "io_ipc"]}
-base64 = "0.21.2"
+base64 = "0.21.5"
 bincode = {workspace = true}
 chrono = {workspace = true}
 chrono-tz = {workspace = true}