Bump sisu.version from 0.9.0.M3 to 0.9.0.M4

Bumps `sisu.version` from 0.9.0.M3 to 0.9.0.M4.

Updates `org.eclipse.sisu:org.eclipse.sisu.inject` from 0.9.0.M3 to 0.9.0.M4
- [Release notes](https://github.com/eclipse-sisu/sisu-project/releases)
- [Changelog](https://github.com/eclipse-sisu/sisu-project/blob/main/RELEASE.md)
- [Commits](eclipse-sisu/sisu-project@milestones/0.9.0.M3...milestones/0.9.0.M4)

Updates `org.eclipse.sisu:org.eclipse.sisu.plexus` from 0.9.0.M4 to 0.9.0.M4
- [Release notes](https://github.com/eclipse-sisu/sisu-project/releases)
- [Changelog](https://github.com/eclipse-sisu/sisu-project/blob/main/RELEASE.md)
- [Commits](eclipse-sisu/sisu-project@milestones/0.9.0.M4...milestones/0.9.0.M4)

---
updated-dependencies:
- dependency-name: org.eclipse.sisu:org.eclipse.sisu.inject
  dependency-version: 0.9.0.M4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.eclipse.sisu:org.eclipse.sisu.plexus
  dependency-version: 0.9.0.M4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

independent-projects/bootstrap/maven4-resolver/pom.xml

@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.eclipse.sisu</groupId>
             <artifactId>org.eclipse.sisu.inject</artifactId>
-            <version>0.9.0.M3</version>
+            <version>0.9.0.M4</version>
         </dependency>
         <dependency>
             <groupId>org.apache.maven</groupId>