chore(deps): bump com.azure:azure-identity from 1.18.1 to 1.18.4 in /backend (#4)

Bumps
[com.azure:azure-identity](https://github.com/Azure/azure-sdk-for-java)
from 1.18.1 to 1.18.4.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/0df233bcef8bd7545c72e943f6b3d0b199e0d3bb"><code>0df233b</code></a>
Updating SDK dependencies for azure-identity-broker</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/cd57fce85056192e63ac729ecb9a1f593ced5d40"><code>cd57fce</code></a>
Updating the SDK dependencies for azure-identity</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/e6db36ef08638c8a45fd0ce16c6830e1284409c7"><code>e6db36e</code></a>
Reset changes to the patch version.</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/71680b823c77b23d0500606ff0a047adcaf18432"><code>71680b8</code></a>
Added auth and CFS step to partner release pipeline (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49452">#49452</a>)</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/df3114f849e2f8cda622663c50ae88929e78f76d"><code>df3114f</code></a>
[Automation] Generate SDK based on TypeSpec 0.45.3 (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49467">#49467</a>)</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/c995ad540ed665dbf1e2fd1dd9db560a438efc53"><code>c995ad5</code></a>
Increment package versions for cloudhealth releases (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49462">#49462</a>)</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/4b547c9b1469bfbf4519da713022eb68e1ce5998"><code>4b547c9</code></a>
Validate iss and aud claims on AAD/B2C OIDC login ID token decoders (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49423">#49423</a>)</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/ff8a3bfbcc852447302a30c0d7d514f5807ff066"><code>ff8a3bf</code></a>
eng, remove code generation for swagger/autorest (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49438">#49438</a>)</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/3bc83be2225b724fd1bdb8bd73670395bc0dc64e"><code>3bc83be</code></a>
Update helper function to print nested exception details. (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49447">#49447</a>)</li>
<li><a
href="https://github.com/Azure/azure-sdk-for-java/commit/4f8efdd3648c8aa5df4f5d103e5da013b85765a3"><code>4f8efdd</code></a>
Update the skills in tools repo to match specs repo (<a
href="https://redirect.github.com/Azure/azure-sdk-for-java/issues/49444">#49444</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/Azure/azure-sdk-for-java/compare/azure-identity_1.18.1...com.azure+azure-identity_1.18.4">compare
view</a></li>
</ul>
</details>
<br />

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

backend/pom.xml

@@ -198,7 +198,7 @@
         <dependency>
             <groupId>com.azure</groupId>
             <artifactId>azure-identity</artifactId>
-            <version>1.18.1</version>
+            <version>1.18.4</version>
         </dependency>
 
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