MINOR: [Java] Bump io.netty:netty-bom from 4.1.114.Final to 4.1.115.Final in /java (#44777)

Bumps [io.netty:netty-bom](https://github.com/netty/netty) from 4.1.114.Final to 4.1.115.Final.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/netty/netty/commit/04f9b4a827d992ad439823eeba85d65d3a89c265"><code>04f9b4a</code></a> [maven-release-plugin] prepare release netty-4.1.115.Final</li>
<li><a href="https://github.com/netty/netty/commit/fbf7a704a82e7449b48bd0bbb679f5661c6d61a3"><code>fbf7a70</code></a> Merge commit from fork</li>
<li><a href="https://github.com/netty/netty/commit/7b4fe3d25c01576636985320ebf16393cd21c13c"><code>7b4fe3d</code></a> Specialize Adaptive's allocator Recycler based on magazine's owner (<a href="https://redirect.github.com/netty/netty/issues/14421">#14421</a>)</li>
<li><a href="https://github.com/netty/netty/commit/9f3699e899a0e61ae2a2212252aa64832b9fb86a"><code>9f3699e</code></a> Explicit specify the platform for Docker files (<a href="https://redirect.github.com/netty/netty/issues/14448">#14448</a>)</li>
<li><a href="https://github.com/netty/netty/commit/3520fc75e4390851dca94e87dd1a0ca7bedbd648"><code>3520fc7</code></a> Ensure netty-all generation does not override other snapshot jars (<a href="https://redirect.github.com/netty/netty/issues/14450">#14450</a>)</li>
<li><a href="https://github.com/netty/netty/commit/925064ecf191936d7316732167805c6ecbacd469"><code>925064e</code></a> Preserve ordering of default named groups during conversation (<a href="https://redirect.github.com/netty/netty/issues/14447">#14447</a>)</li>
<li><a href="https://github.com/netty/netty/commit/837b73846d875f21de31efc5a157cf3060770f53"><code>837b738</code></a> Make JMH executor threads look like event loop threads (<a href="https://redirect.github.com/netty/netty/issues/14444">#14444</a>)</li>
<li><a href="https://github.com/netty/netty/commit/a434eef727be3622aa6ff9247bf0714dd427cb86"><code>a434eef</code></a> AdaptiveByteBufAllocator: Make pooling of AdaptiveByteBuf magazine local (<a href="https://redirect.github.com/netty/netty/issues/14">#14</a>...</li>
<li><a href="https://github.com/netty/netty/commit/16123beacc87b02f04b52e03c350d67a26c570ba"><code>16123be</code></a> Allow to set used named groups per OpenSslContext (<a href="https://redirect.github.com/netty/netty/issues/14433">#14433</a>)</li>
<li><a href="https://github.com/netty/netty/commit/dadbf589ff51a229e157ef73e4abe2ad158eb81f"><code>dadbf58</code></a> Correctly detect if KeyManager is not supported by OpenSSL version (<a href="https://redirect.github.com/netty/netty/issues/14437">#14437</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/netty/netty/compare/netty-4.1.114.Final...netty-4.1.115.Final">compare view</a></li>
</ul>
</details>
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Authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Sutou Kouhei <[email protected]>

Author: dependabot[bot]

java/pom.xml

@@ -96,7 +96,7 @@ under the License.
     <dep.junit.jupiter.version>5.11.3</dep.junit.jupiter.version>
     <dep.slf4j.version>2.0.16</dep.slf4j.version>
     <dep.guava-bom.version>33.3.1-jre</dep.guava-bom.version>
-    <dep.netty-bom.version>4.1.114.Final</dep.netty-bom.version>
+    <dep.netty-bom.version>4.1.115.Final</dep.netty-bom.version>
     <dep.grpc-bom.version>1.65.0</dep.grpc-bom.version>
     <dep.protobuf-bom.version>3.25.5</dep.protobuf-bom.version>
     <dep.jackson-bom.version>2.18.1</dep.jackson-bom.version>