Build(deps): Bump com.github.siom79.japicmp:japicmp-maven-plugin from 0.25.5 to 0.25.6 (#1698)

Bumps
[com.github.siom79.japicmp:japicmp-maven-plugin](https://github.com/siom79/japicmp)
from 0.25.5 to 0.25.6.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/siom79/japicmp/releases">com.github.siom79.japicmp:japicmp-maven-plugin's
releases</a>.</em></p>
<blockquote>
<h2>japicmp-base-0.25.6</h2>
<ul>
<li>No NPE in case of Maven artifacts without file <a
href="https://redirect.github.com/siom79/japicmp/issues/504">#504</a></li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/siom79/japicmp/commit/c69cec6b6f1a0d4aec81368666700dc118d6172f"><code>c69cec6</code></a>
[maven-release-plugin] prepare release japicmp-base-0.25.6</li>
<li><a
href="https://github.com/siom79/japicmp/commit/e8bdba6221ede6f4dc97ef9afc7a71c60d8dbab7"><code>e8bdba6</code></a>
upgraded version in *.md files to 0.25.6</li>
<li><a
href="https://github.com/siom79/japicmp/commit/e1cf06a5c01db672f26664eb66b93401698e64dd"><code>e1cf06a</code></a>
Update ReleaseNotes.md for version 0.25.6</li>
<li><a
href="https://github.com/siom79/japicmp/commit/993020acb19607a654a8d83e73f3d0e268b283e9"><code>993020a</code></a>
Merge pull request <a
href="https://redirect.github.com/siom79/japicmp/issues/505">#505</a>
from siom79/claude/fix-npe-issue-BipYy</li>
<li><a
href="https://github.com/siom79/japicmp/commit/c8d2873b0536ca92cf11db306d7dae169afc2201"><code>c8d2873</code></a>
Fix NPE in setUpClassPathUsingMavenProject when project artifact is
unresolva...</li>
<li><a
href="https://github.com/siom79/japicmp/commit/6e5f1f367ac7446dad7ab0784b6b94e710092e11"><code>6e5f1f3</code></a>
Merge pull request <a
href="https://redirect.github.com/siom79/japicmp/issues/503">#503</a>
from siom79/claude/github-release-notes-action-cmkRp</li>
<li><a
href="https://github.com/siom79/japicmp/commit/e050d5edb768bf0ed0c78d2bbdaabfd3e297e240"><code>e050d5e</code></a>
feat: Release-Notes aus ReleaseNotes.md in GitHub-Release einbinden</li>
<li><a
href="https://github.com/siom79/japicmp/commit/66965279cceb550ed0ea750c70b3821c145d29ab"><code>6696527</code></a>
Merge pull request <a
href="https://redirect.github.com/siom79/japicmp/issues/501">#501</a>
from siom79/java-25</li>
<li><a
href="https://github.com/siom79/japicmp/commit/4c2127b320f5bdfd4e697e17ee153fb4b4683059"><code>4c2127b</code></a>
ci with Java 25 instead of 22,24</li>
<li><a
href="https://github.com/siom79/japicmp/commit/f09b0788518e94aae5212da47f607e8a699ffaa9"><code>f09b078</code></a>
Merge pull request <a
href="https://redirect.github.com/siom79/japicmp/issues/500">#500</a>
from siom79/claude/refactor-compatibility-tests-oFcgX</li>
<li>Additional commits viewable in <a
href="https://github.com/siom79/japicmp/compare/japicmp-base-0.25.5...japicmp-base-0.25.6">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Author: github-actions[bot]

pom.xml

@@ -447,7 +447,7 @@
       <plugin>
         <groupId>com.github.siom79.japicmp</groupId>
         <artifactId>japicmp-maven-plugin</artifactId>
-        <version>0.25.5</version>
+        <version>0.25.6</version>
         <configuration>
           <parameter>
             <excludes>