build(deps): bump org.apache.maven.plugins:maven-gpg-plugin in /java

Bumps [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 3.2.7 to 3.2.8.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](https://github.com/apache/maven-gpg-plugin/compare/maven-gpg-plugin-3.2.7...maven-gpg-plugin-3.2.8)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-gpg-plugin
  dependency-version: 3.2.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/sdk-release-checksums.yml

@@ -29,7 +29,7 @@ jobs:
           chmod +x scripts/sdk-release-checksums.sh
           ./scripts/sdk-release-checksums.sh --no-mvn --output dist/sdk-release --native-path "${{ github.workspace }}/native/build"
       - name: Upload artifacts
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@v4
         with:
           name: sdk-release-${{ github.ref_name }}
           path: |

java/pom.xml

@@ -75,7 +75,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-gpg-plugin</artifactId>
-                    <version>3.2.7</version>
+                    <version>3.2.8</version>
                 </plugin>
             </plugins>
         </pluginManagement>