Auto merge of #26745 - servo:dependabot/cargo/block-buffer-0.7.3, r=jdm

Bump block-buffer from 0.7.0 to 0.7.3

Bumps [block-buffer](https://github.com/RustCrypto/utils) from 0.7.0 to 0.7.3.
<details>
<summary>Commits</summary>
<ul>
<li><a href="6ab1bbf4c9"><code>6ab1bbf</code></a> block-buffer v0.7.3</li>
<li><a href="edab714932"><code>edab714</code></a> Make block-buffer minimal-versions correct (<a href="https://github-redirect.dependabot.com/RustCrypto/utils/issues/23">#23</a>)</li>
<li><a href="3cdecb4bd8"><code>3cdecb4</code></a> Relaxed restrictions on padding buffer size.  See <a href="https://github-redirect.dependabot.com/RustCrypto/utils/issues/20">#20</a> (<a href="https://github-redirect.dependabot.com/RustCrypto/utils/issues/21">#21</a>)</li>
<li><a href="969ed33133"><code>969ed33</code></a> hex-literal license files. closes <a href="https://github-redirect.dependabot.com/RustCrypto/utils/issues/18">#18</a></li>
<li><a href="1f9655532f"><code>1f96555</code></a> hex-literal v0.1.3</li>
<li><a href="7f8eb536ec"><code>7f8eb53</code></a> Removes unnecessary backtick from hex-literal doc (<a href="https://github-redirect.dependabot.com/RustCrypto/utils/issues/16">#16</a>)</li>
<li><a href="fd52602520"><code>fd52602</code></a> comment out input2 method</li>
<li><a href="9ae69ae6dd"><code>9ae69ae</code></a> opaque-debug v0.2.2</li>
<li><a href="5276f2015b"><code>5276f20</code></a> update/add license information</li>
<li><a href="088c596b00"><code>088c596</code></a> add input2 method to block-buffer</li>
<li>Additional commits viewable in <a href="https://github.com/RustCrypto/utils/compare/block-buffer-v0.7.0...block-buffer-v0.7.3">compare view</a></li>
</ul>
</details>
<br />

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[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

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Cargo.lock

@@ -316,9 +316,9 @@ checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
 [[package]]
 name = "block-buffer"
-version = "0.7.0"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49665c62e0e700857531fa5d3763e91b539ff1abeebd56808d378b495870d60d"
+checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
 dependencies = [
  "block-padding",
  "byte-tools",