[ROCm] [Release] Change the package from aiter to amd-aiter

[tjtanaa]

Purpose

After upgrading the AITER version, AITER library has changed its package name from aiter to amd-aiter. So, we have to update it as well.

Test Plan

Trial run

Test Result

https://buildkite.com/vllm/release-pipeline-shadow/builds/3134/steps/canvas

The generated wheels can be installed using the following command (Python 3.12, ROCm 7.0)

uv pip install --pre vllm==0.16.1rc1.dev99+gd177be305.rocm700 --extra-index-url http://vllm-wheels-dev.s3-website-us-west-2.amazonaws.com/rocm/d177be305da334473234c69d0037d0d1631e82eb/rocm700/ --trusted-host vllm-wheels-dev.s3-website-us-west-2.amazonaws.com --system

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Essential Elements of an Effective PR Description Checklist

• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.
• (Optional) Release notes update. If your change is user facing, please update the release notes draft in the Google Doc.

[gemini-code-assist]

Code Review

This pull request updates the AITER package name from aiter to amd-aiter across the release pipeline and related scripts. The changes involve modifying the .buildkite/release-pipeline.yaml, .buildkite/scripts/annotate-rocm-release.sh, and tools/vllm-rocm/pin_rocm_dependencies.py files to reflect the new package name and ensure consistency in the build and release processes. Additionally, the S3 bucket name is changed from vllm-wheels to vllm-wheels-dev in .buildkite/release-pipeline.yaml. I have identified a critical issue where the commented-out sections in .buildkite/release-pipeline.yaml should be removed to avoid confusion and potential errors in the future.