Fix maven central publishing CTR

[porunov]

Fixes #4828

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[Copilot]

Pull Request Overview

This PR updates JanusGraph's Maven Central publishing configuration to use the new Central Repository (CTR) endpoints instead of the legacy OSSRH endpoints.

• Updates repository URLs from legacy Sonatype OSSRH to new Central Repository API endpoints
• Changes repository IDs from "ossrh" to "central" across all configuration files
• Updates both snapshot and release repository configurations consistently

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
pom.xml	Updates distributionManagement section with new Central Repository URLs and IDs
RELEASING.md	Updates documentation to reference "central" server ID instead of "ossrh"
.github/workflows/ci-publish-official.yml	Updates Maven settings configuration to use "central" server ID
.github/workflows/ci-publish-commit.yml	Updates Maven settings configuration to use "central" server ID

[janusgraph-automations]

💚 All backports created successfully

Status	Branch	Result
✅	v1.0
✅	v1.1

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