Add support for building confluent-kafka-python on Windows ARM64

[MUGUNDAN (MugundanMCW)]

What

The PR adds support for compiling confluent-kafka-python Python wheels on Windows ARM64 (Closes: #1981).

Changes proposed:

• Confluent-kafka-python relies on librdkafka NuGet packages to build wheels for Windows x86 and x64. However, there are no librdkafka NuGet packages available for Windows ARM64.
• To address this, the PR introduces a batch script to build librdkafka from source and integrates it with the Windows ARM64 build process.
• While building the wheel using cibuildwheel (CIBW), the build fails during dependency installation due to the following issues:
  • Cryptography – the latest release does not provide Windows ARM64 wheels (ARM64 builds are currently paused due to issues with Python GitHub Actions).
  • Tink – No Windows ARM64 wheels support.
• By skipping the installation of cryptography and Tink, the wheel builds successfully on Windows ARM64.

Checklist

Did you add sufficient unit test and/or integration test coverage for this PR?

• No additional tests were added. This PR only modifies build configuration files and does not introduce any changes to the actual confluent-kafka-python source code.

Open questions / Follow-ups

• The project uses Semaphore CI for building and releasing wheels, which is accessible only by Confluent employees. Are there any plans to add CI support for building and releasing Windows ARM64 wheels?

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❌ MugundanMCW
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