Bump cds.services.version from 3.10.3 to 4.4.1

Bumps `cds.services.version` from 3.10.3 to 4.4.1.

Updates `com.sap.cds:cds-services-bom` from 3.10.3 to 4.4.1

Updates `com.sap.cds:cds-maven-plugin` from 3.10.3 to 4.4.1

---
updated-dependencies:
- dependency-name: com.sap.cds:cds-services-bom
  dependency-version: 4.4.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.sap.cds:cds-maven-plugin
  dependency-version: 4.4.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -30,7 +30,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <excluded.generation.package>sdm/generated/</excluded.generation.package>
-        <cds.services.version>3.10.3</cds.services.version>
+        <cds.services.version>4.4.1</cds.services.version>
 
         <generation-folder>src/gen</generation-folder>