chore(deps-dev): bump org.spdx:spdx-maven-plugin from 1.0.3 to 1.0.4

Bumps [org.spdx:spdx-maven-plugin](https://github.com/spdx/spdx-maven-plugin) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/spdx/spdx-maven-plugin/releases)
- [Commits](spdx/spdx-maven-plugin@v1.0.3...v1.0.4)

---
updated-dependencies:
- dependency-name: org.spdx:spdx-maven-plugin
  dependency-version: 1.0.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -276,7 +276,7 @@
           <plugin>
             <groupId>org.spdx</groupId>
             <artifactId>spdx-maven-plugin</artifactId>
-            <version>1.0.3</version>
+            <version>1.0.4</version>
             <executions>
               <execution>
                 <id>build-spdx</id>