Iceberg: FanoutPositionOnlyDeleteWriter support

[deniskuzZ]

What changes were proposed in this pull request?

Why are the changes needed?

Does this PR introduce any user-facing change?

Is the change a dependency upgrade?

How was this patch tested?

[sonarqubecloud[bot]]

Quality Gate passed

Issues
7 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud