[PR] Upgrade to Maven 4.0.0-SNAPSHOT (upcoming rc-6) [maven-mvnd]

["gnodet (via GitHub)" <gi...@apache.org>]

gnodet opened a new pull request, #1696:
URL: https://github.com/apache/maven-mvnd/pull/1696

   ## Summary
   
   - Upgrade `maven.version` from `4.0.0-rc-5` to `4.0.0-SNAPSHOT` (Maven 4.0.x branch, upcoming rc-6)
   - Update synced dependencies to match Maven 4.0.x:
     - `maven.resolver.version`: 2.0.18 → 2.0.21
     - `slf4j.version`: 2.0.17 → 2.0.18
     - `jline.version`: 3.30.13 → 4.3.1 (jline 4.x, matching Maven 4.0.x)
     - `jline-terminal-jansi` → `jansi-core` (artifact renamed in jline 4.x)
   - Remove explicit `jul-to-slf4j` from provisio assembly (already bundled in Maven 4.0.0-SNAPSHOT dist, causing a provisio conflict)
   - Add Apache Snapshots repository for `4.0.0-SNAPSHOT` resolution
   
   ### Build status
   
   - ✅ Full build (`mvn install -DskipTests`) passes
   - ✅ All unit tests pass
   - ⏳ Integration tests have pre-existing failures on master (multi-release JAR classpath issue, not related to this change)
   - ⚠️ Draft PR — depends on `4.0.0-SNAPSHOT`, will need version update once rc-6 is released
   
   ## Test plan
   
   - [x] `mvn install -DskipTests` — builds successfully
   - [x] `mvn test -pl '!integration-tests'` — all unit tests pass
   - [ ] Re-test once Maven 4.0.0-rc-6 is released and update version from SNAPSHOT
   
   🤖 Generated with [Claude Code](https://claude.com/claude-code)


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