Bump org.sejda:sejda-io from 4.0.0.M3 to 4.0.0.M4

Bumps [org.sejda:sejda-io](https://github.com/torakiki/sejda-io) from 4.0.0.M3 to 4.0.0.M4.
- [Commits](torakiki/sejda-io@v4.0.0.M3...v4.0.0.M4)

---
updated-dependencies:
- dependency-name: org.sejda:sejda-io
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -315,7 +315,7 @@
         <tinylog.version>2.7.0</tinylog.version>
         <hibernate-validator.version>7.0.5.Final</hibernate-validator.version>
         <sejda.version>5.0.20</sejda.version>
-        <sejda-io.version>4.0.0.M3</sejda-io.version>
+        <sejda-io.version>4.0.0.M4</sejda-io.version>
         <sejda.commons.version>3.0.0</sejda.commons.version>
         <eventstudio.version>4.0.1</eventstudio.version>
         <injector.version>5.0.0</injector.version>