Update to 26.06

[AyodeAwe]

This PR updates the repository to version 26.06.

This is part of the 26.04 release burndown process.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 758615c3-9369-42f0-882b-22c2350d6df0

📥 Commits

Reviewing files that changed from the base of the PR and between a3cd68d and af9e9f4.

📒 Files selected for processing (10)

• .devcontainer/cuda12.9-conda/devcontainer.json
• .devcontainer/cuda12.9-pip/devcontainer.json
• .devcontainer/cuda13.1-conda/devcontainer.json
• .devcontainer/cuda13.1-pip/devcontainer.json
• .github/workflows/build.yaml
• .github/workflows/pr.yaml
• .github/workflows/test.yaml
• VERSION
• dependencies.yaml
• python/rmm/pyproject.toml

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Updated project version from 26.04.00 to 26.06.00.
  • Upgraded containerized development and CI/CD environments to use newer base images and tooling versions.
  • Bumped librmm and related package dependencies to version 26.6.*.

Walkthrough

This pull request updates version references from 26.04 to 26.06 across multiple configuration and dependency files. Changes include DevContainer base images, GitHub workflow container images, the project version file, and dependency pins for librmm-related packages.

Changes

Cohort / File(s)	Summary
DevContainer Configurations .devcontainer/cuda12.9-conda/devcontainer.json, .devcontainer/cuda12.9-pip/devcontainer.json, .devcontainer/cuda13.1-conda/devcontainer.json, .devcontainer/cuda13.1-pip/devcontainer.json	Updated base image references from rapidsai/devcontainers:26.04-* to 26.06-*, run args suffixes from 26.04-* to 26.06-*, and rapids-build-utils feature version from 26.4 to 26.6.
GitHub Workflows .github/workflows/build.yaml, .github/workflows/pr.yaml, .github/workflows/test.yaml	Updated container images from rapidsai/ci-conda:26.04-latest to 26.06-latest in docs-build, debug-tests, and related workflow steps; PR workflow also references workflow version updates to main.
Version and Dependencies VERSION, dependencies.yaml, python/rmm/pyproject.toml	Bumped project version from 26.04.00 to 26.06.00 and updated librmm dependency pins (librmm-unsuffixed, librmm-cu12, librmm-cu13, rmm, librmm-tests, librmm-example) from 26.4.* to 26.6.*.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch version-update-26.06

📝 Coding Plan

• Generate coding plan for human review comments

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