Update dependency build to ~=1.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
build (changelog)	~=1.1.1 -> ~=1.2.1

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Release Notes

pypa/build (build)

v1.2.1

Compare Source

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• Avoid error when terminal width is undetectable on Python < 3.11
  (PR :pr:761)

v1.2.0

Compare Source

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• Add --installer option, supporting pip and uv. Added uv
  extra.
  (PR :pr:751)
• Improve console output and provide -v for dependency installation
  (PR :pr:749)
• Avoid compiling unused bytecode when using pip
  (PR :pr:752)
• Dropped support for Python 3.7
  (PR :pr:743)

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