Bump openpdf.version from 3.0.3 to 3.0.4 (#384)

Bumps `openpdf.version` from 3.0.3 to 3.0.4.

Updates `com.github.librepdf:openpdf` from 3.0.3 to 3.0.4

Updates `com.github.librepdf:openpdf-renderer` from 3.0.3 to 3.0.4
- [Release notes](https://github.com/LibrePDF/OpenPDF/releases)
- [Commits](LibrePDF/OpenPDF@3.0.3...3.0.4)

---
updated-dependencies:
- dependency-name: com.github.librepdf:openpdf
  dependency-version: 3.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.github.librepdf:openpdf-renderer
  dependency-version: 3.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -30,7 +30,7 @@
         <commons-io.version>2.22.0</commons-io.version>
         <commons-cli.version>1.11.0</commons-cli.version>
         <commons-lang3.version>3.20.0</commons-lang3.version>
-        <openpdf.version>3.0.3</openpdf.version>
+        <openpdf.version>3.0.4</openpdf.version>
         <junit.version>4.13.2</junit.version>
         <openjfx.version>21.0.7</openjfx.version>
         <dbus-java.version>5.2.0</dbus-java.version>